# Changelog
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## 2.5.0 - 2024-09-16

### Special Thankyou
A special thankyou to all those who helped with testing and providing feedback during the development of this major release. A big thankyou to:
*   @JC-comp
*   @Lyncredible
*   @rrodrigueznt
*   @bpozdena
*   @hskrieg
*   @robertschulze 
*   @aothmane-control
*   @mozram
*   @LunCh-CECNL
*   @pkolmann
*   @tdcockers
*   @undefiened
*   @cyb3rko

### Notable Changes
*   This version introduces significant changes regarding how the integrity and validation of your data is determined and is not backwards compatible with v2.4.x.
*   OneDrive Business Shared Folder Sync has been 100% re-written in v2.5.0. If you are using this feature, please read the new documentation carefully.
*   The application function --download-only no longer automatically deletes local files. Please read the new documentation regarding this feature.

### Changes
*   Renamed various documentation files to align with document content
*   Implement buffered logging so that all logging from all upload & download activities are handled correctly
*   Replace polling monitor loop with blocking wait
*   Update how the application utilises curl to fix socket reuse
*   Various performance enhancements
*   Implement refactored OneDrive API logic
*   Enforcement of operational conflicts
*   Enforcement of application configuration defaults and minimums
*   Utilise threadsafe sqlite DB access methods
*   Various bugs and other issues identified during development and testing
*   Various code cleanup and optimisations

### Fixed
*   Fix Bug: Upload only not working with Business shared folders
*   Fix Bug: Business shared folders with same basename get merged
*   Fix Bug: --dry-run prevents authorization
*   Fix Bug: Log timestamps lacking trailing zeros, leading to poor log file output alignment
*   Fix Bug: Subscription ID already exists when using webhooks
*   Fix Bug: Not all files being downloaded when API data includes HTML ASCII Control Sequences
*   Fix Bug: --display-sync-status does not work when OneNote sections (.one files) are in your OneDrive
*   Fix Bug: vim backups when editing files cause edited file to be deleted rather than the edited file being uploaded
*   Fix Bug: skip_dir does not always work as intended for all directory entries
*   Fix Bug: Online date being changed in download-only mode
*   Fix Bug: Resolve that download_only = "true" and cleanup_local_files = "true" also deletes files present online
*   Fix Bug: Resolve that upload session are not canceled with resync option
*   Fix Bug: Local files should be safely backed up when the item is not in sync locally to prevent data loss when they are deleted online
*   Fix Bug: Files with newer timestamp are not chosen as version to be kept
*   Fix Bug: Synced file is removed when updated on the remote while being processed by onedrive
*   Fix Bug: Cannot select/filter within Personal Shared Folders
*   Fix Bug: HTML encoding requires to add filter entries twice
*   Fix Bug: Uploading files using fragments stuck at 0%
*   Fix Bug: Implement safeguard when sync_dir is missing and is re-created data is not deleted online
*   Fix Bug: Fix that --get-sharepoint-drive-id does not handle a SharePoint site with more than 200 entries
*   Fix Bug: Fix that 'sync_list' does not include files that should be included, when specified just as *.ext_type
*   Fix Bug: Fix 'sync_list' processing so that '.folder_name' is excluded but 'folder_name' is included

### Added
*   Implement Feature Request: Multi-threaded uploading/downloading of files
*   Implement Feature Request: Renaming/Relocation of OneDrive Business shared folders
*   Implement Feature Request: Support the syncing of individual business shared files
*   Implement Feature Request: Implement application output to detail upload|download failures at the end of a sync process
*   Implement Feature Request: Log when manual Authorization is required when using --auth-files
*   Implement Feature Request: Add cmdline parameter to display (human readable) quota status
*   Implement Feature Request: Add capability to disable 'fullscan_frequency'
*   Implement Feature Request: Ability to set --disable-download-validation from Docker environment variable
*   Implement Feature Request: Ability to set --sync-shared-files from Docker environment variable
*   Implement Feature Request: file sync (upload/download/delete) notifications

### Updated
*   Overhauled all documentation

## 2.4.25 - 2023-06-21

### Fixed
*   Fixed that the application was reporting as v2.2.24 when in fact it was v2.4.24 (release tagging issue)
*   Fixed that the running version obsolete flag (due to above issue) was causing a false flag as being obsolete
*   Fixed that zero-byte files do not have a hash as reported by the OneDrive API thus should not generate an error message

### Updated
*   Update to Debian Docker file to resolve Docker image Operating System reported vulnerabilities
*   Update to Alpine Docker file to resolve Docker image Operating System reported vulnerabilities
*   Update to Fedora Docker file to resolve Docker image Operating System reported vulnerabilities
*   Updated documentation (various)

## 2.4.24 - 2023-06-20
### Fixed
*   Fix for extra encoded quotation marks surrounding Docker environment variables
*   Fix webhook subscription creation for SharePoint Libraries
*   Fix that a HTTP 504 - Gateway Timeout causes local files to be deleted when using --download-only & --cleanup-local-files mode
*   Fix that folders are renamed despite using --dry-run
*   Fix deprecation warnings with dmd 2.103.0
*   Fix error that the application is unable to perform a database vacuum: out of memory when exiting

### Removed
*   Remove sha1 from being used by the client as this is being deprecated by Microsoft in July 2023
*   Complete the removal of crc32 elements

### Added
*   Added ONEDRIVE_SINGLE_DIRECTORY configuration capability to Docker
*   Added --get-file-link shell completion
*   Added configuration to allow HTTP session timeout(s) tuning via config (taken from v2.5.x)

### Updated
*   Update to Debian Docker file to resolve Docker image Operating System reported vulnerabilities
*   Update to Alpine Docker file to resolve Docker image Operating System reported vulnerabilities
*   Update to Fedora Docker file to resolve Docker image Operating System reported vulnerabilities
*   Updated cgi.d to commit 680003a - last upstream change before requiring `core.d` dependency requirement
*   Updated documentation (various)

## 2.4.23 - 2023-01-06
### Fixed
*   Fixed RHEL7, RHEL8 and RHEL9 Makefile and SPEC file compatibility

### Removed
*   Disable systemd 'PrivateUsers' due to issues with systemd running processes when option is enabled, causes local file deletes on RHEL based systems

### Updated
*   Update --get-O365-drive-id error handling to display a more a more appropriate error message if the API cannot be found
*   Update the GitHub version check to utilise the date a release was done, to allow 1 month grace period before generating obsolete version message
*   Update Alpine Dockerfile to use Alpine 3.17 and Golang 1.19
*   Update handling of --source-directory and --destination-directory if one is empty or missing and if used with --synchronize or --monitor
*   Updated documentation (various)

## 2.4.22 - 2022-12-06
### Fixed
*   Fix application crash when local file is changed to a symbolic link with non-existent target
*   Fix build error with dmd-2.101.0
*   Fix build error with LDC 1.28.1 on Alpine
*   Fix issue of silent exit when unable to delete local files when using --cleanup-local-files
*   Fix application crash due to access permissions on configured path for sync_dir
*   Fix potential application crash when exiting due to failure state and unable to cleanly shutdown the database
*   Fix creation of parent empty directories when parent is excluded by sync_list

### Added
*   Added performance output details for key functions

### Changed
*   Switch Docker 'latest' to point at Debian builds rather than Fedora due to ongoing Fedora build failures
*   Align application logging events to actual application defaults for --monitor operations
*   Performance Improvement: Avoid duplicate costly path calculations and DB operations if not required
*   Disable non-working remaining sandboxing options within systemd service files
*   Performance Improvement: Only check 'sync_list' if this has been enabled and configured
*   Display 'Sync with OneDrive is complete' when using --synchronize
*   Change the order of processing between Microsoft OneDrive restrictions and limitations check and skip_file|skip_dir check

### Removed
*   Remove building Fedora ARMv7 builds due to ongoing build failures

### Updated
*   Update config change detection handling
*   Updated documentation (various)

## 2.4.21 - 2022-09-27
### Fixed
*   Fix that the download progress bar doesn't always reach 100% when rate_limit is set
*   Fix --resync handling of database file removal
*   Fix Makefile to be consistent with permissions that are being used
*   Fix that logging output for skipped uploaded files is missing
*   Fix to allow non-sync tasks while sync is running
*   Fix where --resync is enforced for non-sync operations
*   Fix to resolve segfault when running 'onedrive --display-sync-status' when run as 2nd process
*   Fix DMD 2.100.2 depreciation warning

### Added
*   Add GitHub Action Test Build Workflow (replacing Travis CI)
*   Add option --display-running-config to display the running configuration as used at application startup
*   Add 'config' option to request readonly access in oauth authorization step
*   Add option --cleanup-local-files to cleanup local files regardless of sync state when using --download-only
*   Add option --with-editing-perms to create a read-write shareable link when used with --create-share-link <file>

### Changed
*   Change the exit code of the application to 126 when a --resync is required

### Updated
*   Updated --get-O365-drive-id implementation for data access
*   Update what application options require an argument
*   Update application logging output for error messages to remove certain \n prefix when logging to a file
*   Update onedrive.spec.in to fix error building RPM
*   Update GUI notification handling for specific skipped scenarios
*   Updated documentation (various)

## 2.4.20 - 2022-07-20
### Fixed
*   Fix 'foreign key constraint failed' when using OneDrive Business Shared Folders due to change to using /delta query
*   Fix various little spelling fixes (check with lintian during Debian packaging)
*   Fix handling of a custom configuration directory when using --confdir
*   Fix to ensure that any active http instance is shutdown before any application exit
*   Fix to enforce that --confdir must be a directory

### Added
*   Added 'force_http_11' configuration option to allow forcing HTTP/1.1 operations

### Changed
*   Increased thread sleep for better process I/O wait handling
*   Removed 'force_http_2' configuration option

### Updated
*   Update OneDrive API response handling for National Cloud Deployments
*   Updated to switch to using curl defaults for HTTP/2 operations
*   Updated documentation (various)

## 2.4.19 - 2022-06-15
### Fixed
*   Update Business Shared Folders to use a /delta query
*   Update when DB is updated by OneDrive API data and update when file hash is required to be generated

### Added
*   Added ONEDRIVE_UPLOADONLY flag for Docker

### Updated
*   Updated GitHub workflows
*   Updated documentation (various)

## 2.4.18 - 2022-06-02
### Fixed
*   Fixed various database related access issues steming from running multiple instances of the application at the same time using the same configuration data
*   Fixed --display-config being impacted by --resync flag
*   Fixed installation permissions for onedrive man-pages file
*   Fixed that in some situations that users try --upload-only and --download-only together which is not possible
*   Fixed application crash if unable to read required hash files

### Added
*   Added Feature Request to add an override for skip_dir|skip_file through flag to force sync
*   Added a check to validate local filesystem available space before attempting file download
*   Added GitHub Actions to build Docker containers and push to DockerHub 

### Updated
*   Updated all Docker build files to current distributions, using updated distribution LDC version
*   Updated logging output to logfiles when an actual sync process is occuring
*   Updated output of --display-config to be more relevant
*   Updated manpage to align with application configuration
*   Updated documentation and Docker files based on minimum compiler versions to dmd-2.088.0 and ldc-1.18.0
*   Updated documentation (various)

## 2.4.17 - 2022-04-30
### Fixed
*   Fix docker build, by add missing git package for Fedora builds
*   Fix application crash when attempting to sync a broken symbolic link
*   Fix Internet connect disruption retry handling and logging output
*   Fix local folder creation timestamp with timestamp from OneDrive
*   Fix logging output when download failed

### Added
*   Add additional logging specifically for delete event to denote in log output the source of a deletion event when running in --monitor mode

### Changed
*   Improve when the local database integrity check is performed and on what frequency the database integrity check is performed

### Updated
*   Remove application output ambiguity on how to access 'help' for the client
*   Update logging output when running in --monitor --verbose mode in regards to the inotify events
*   Updated documentation (various)

## 2.4.16 - 2022-03-10
### Fixed
*   Update application file logging error handling
*   Explicitly set libcurl options
*   Fix that when a sync_list exclusion is matched, the item needs to be excluded when using --resync
*   Fix so that application can be compiled correctly on Android hosts
*   Fix the handling of 429 and 5xx responses when they are generated by OneDrive in a self-referencing circular pattern
*   Fix applying permissions to volume directories when running in rootless podman
*   Fix unhandled errors from OneDrive when initialising subscriptions fail

### Added
*   Enable GitHub Sponsors
*   Implement --resync-auth to enable CLI passing in of --rsync approval
*   Add function to check client version vs latest GitHub release
*   Add --reauth to allow easy re-authentication of the client
*   Implement --modified-by to display who last modified a file and when the modification was done
*   Implement feature request to mark partially-downloaded files as .partial during download
*   Add documentation for Podman support

### Changed
*   Document risk regarding using --resync and force user acceptance of usage risk to proceed
*   Use YAML for Bug Reports and Feature Requests
*   Update Dockerfiles to use more modern base Linux distribution

### Updated
*   Updated documentation (various)

## 2.4.15 - 2021-12-31
### Fixed
*   Fix unable to upload to OneDrive Business Shared Folders due to OneDrive API restricting quota information
*   Update fixing edge case with OneDrive Personal Shared Folders and --resync --upload-only

### Added
*   Add SystemD hardening
*   Add --operation-timeout argument

### Changed
*   Updated minimum compiler versions to dmd-2.087.0 and ldc-1.17.0

### Updated
*   Updated Dockerfile-alpine to use Apline 3.14
*   Updated documentation (various)

## 2.4.14 - 2021-11-24
### Fixed
*   Support DMD 2.097.0 as compiler for Docker Builds
*   Fix getPathDetailsByDriveId query when using --dry-run and a nested path with --single-directory
*   Fix edge case when syncing OneDrive Personal Shared Folders
*   Catch unhandled API response errors when querying OneDrive Business Shared Folders
*   Catch unhandled API response errors when listing OneDrive Business Shared Folders
*   Fix error 'Key not found: remaining' with Business Shared Folders (OneDrive API change)
*   Fix overwriting local files with older versions from OneDrive when items.sqlite3 does not exist and --resync is not used

### Added
*   Added operation_timeout as a new configuration to assist in cases where operations take longer that 1h to complete
*   Add Real-Time syncing of remote updates via webhooks
*   Add --auth-response option and expose through entrypoint.sh for Docker
*   Add --disable-download-validation

### Changed
*   Always prompt for credentials for authentication rather than re-using cached browser details
*   Do not re-auth on --logout

### Updated
*   Updated documentation (various)

## 2.4.13 - 2021-7-14
### Fixed
*   Support DMD 2.097.0 as compiler
*   Fix to handle OneDrive API Bad Request response when querying if file exists
*   Fix application crash and incorrect handling of --single-directory when syncing a OneDrive Business Shared Folder due to using 'Add Shortcut to My Files'
*   Fix application crash due to invalid UTF-8 sequence in the pathname for the application configuration
*   Fix error message when deleting a large number of files
*   Fix Docker build process to source GOSU keys from updated GPG key location
*   Fix application crash due to a conversion overflow when calculating file offset for session uploads
*   Fix Docker Alpine build failing due to filesystem permissions issue due to Docker build system and Alpine Linux 3.14 incompatibility
*   Fix that Business Shared Folders with parentheses are ignored

### Updated
*   Updated Lock Bot to run daily
*   Updated documentation (various)

## 2.4.12 - 2021-5-28
### Fixed
*   Fix an unhandled Error 412 when uploading modified files to OneDrive Business Accounts
*   Fix 'sync_list' handling of inclusions when name is included in another folders name
*   Fix that options --upload-only & --remove-source-files are ignored on an upload session restore
*   Fix to add file check when adding item to database if using --upload-only --remove-source-files
*   Fix application crash when SharePoint displayName is being withheld

### Updated
*   Updated Lock Bot to use GitHub Actions
*   Updated documentation (various)

## 2.4.11 - 2021-4-07
### Fixed
*   Fix support for '/*' regardless of location within sync_list file
*   Fix 429 response handling correctly check for 'retry-after' response header and use set value
*   Fix 'sync_list' path handling for sub item matching, so that items in parent are not implicitly matched when there is no wildcard present
*   Fix --get-O365-drive-id to use 'nextLink' value if present when searching for specific SharePoint site names
*   Fix OneDrive Business Shared Folder existing name conflict check
*   Fix incorrect error message 'Item cannot be deleted from OneDrive because it was not found in the local database' when item is actually present
*   Fix application crash when unable to rename folder structure due to unhandled file-system issue
*   Fix uploading documents to Shared Business Folders when the shared folder exists on a SharePoint site due to Microsoft Sharepoint 'enrichment' of files
*   Fix that a file record is kept in database when using --no-remote-delete & --remove-source-files

### Added
*   Added support in --get-O365-drive-id to provide the 'drive_id' for multiple 'document libraries' within a single Shared Library Site

### Removed
*   Removed the deprecated config option 'force_http_11' which was flagged as deprecated by PR #549 in v2.3.6 (June 2019)

### Updated
*   Updated error output of --get-O365-drive-id to provide more details why an error occurred if a SharePoint site lacks the details we need to perform the match
*   Updated Docker build files for Raspberry Pi to dedicated armhf & aarch64 Dockerfiles
*   Updated logging output when in --monitor mode, avoid outputting misleading logging when the new or modified item is a file, not a directory
*   Updated documentation (various)

## 2.4.10 - 2021-2-19
### Fixed
*   Catch database assertion when item path cannot be calculated
*   Fix alpine Docker build so it uses the same golang alpine version
*   Search all distinct drive id's rather than just default drive id for --get-file-link
*   Use correct driveId value to query for changes when using --single-directory
*   Improve upload handling of files for SharePoint sites and detecting when SharePoint modifies the file post upload
*   Correctly handle '~' when present in 'log_dir' configuration option
*   Fix logging output when handing downloaded new files
*   Fix to use correct path offset for sync_list exclusion matching 

### Added
*   Add upload speed metrics when files are uploaded and clarify that 'data to transfer' is what is needed to be downloaded from OneDrive
*   Add new config option to rate limit connection to OneDrive
*   Support new file maximum upload size of 250GB
*   Support sync_list matching full path root wildcard with exclusions to simplify sync_list configuration

### Updated
*   Rename Office365.md --> SharePoint-Shared-Libraries.md which better describes this document
*   Updated Dockerfile config for arm64
*   Updated documentation (various)

## 2.4.9 - 2020-12-27
### Fixed
*   Fix to handle case where API provided deltaLink generates a further API error
*   Fix application crash when unable to read a local file due to local file permissions
*   Fix application crash when calculating the path length due to invalid UTF characters in local path
*   Fix Docker build on Alpine due missing symbols due to using the edge version of ldc and ldc-runtime
*   Fix application crash with --get-O365-drive-id when API response is restricted

### Added
*   Add debug log output of the configured URL's which will be used throughout the application to remove any ambiguity as to using incorrect URL's when making API calls
*   Improve application startup when using --monitor when there is no network connection to the OneDrive API and only initialise application once OneDrive API is reachable
*   Add Docker environment variable to allow --logout for re-authentication

### Updated
*   Remove duplicate code for error output functions and enhance error logging output
*   Updated documentation

## 2.4.8 - 2020-11-30
### Fixed
*   Fix to use config set option for 'remove_source_files' and 'skip_dir_strict_match' rather than ignore if set
*   Fix download failure and crash due to incorrect local filesystem permissions when using mounted external devices
*   Fix to not change permissions on pre-existing local directories
*   Fix logging output when authentication authorisation fails to not say authorisation was successful
*   Fix to check application_id before setting redirect URL when using specific Azure endpoints
*   Fix application crash in --monitor mode due to 'Failed to stat file' when setgid is used on a directory and data cannot be read

### Added
*   Added advanced-usage.md to document advaced client usage such as multi account configurations and Windows dual-boot

### Updated
*   Updated --verbose logging output for config options when set
*   Updated documentation (man page, USAGE.md, Office365.md, BusinessSharedFolders.md)

## 2.4.7 - 2020-11-09
### Fixed
*   Fix debugging output for /delta changes available queries
*   Fix logging output for modification comparison source data
*   Fix Business Shared Folder handling to process only Shared Folders, not individually shared files
*   Fix cleanup dryrun shm and wal files if they exist
*   Fix --list-shared-folders to only show folders
*   Fix to check for the presence of .nosync when processing DB entries
*   Fix skip_dir matching when using --resync
*   Fix uploading data to shared business folders when using --upload-only
*   Fix to merge contents of SQLite WAL file into main database file on sync completion
*   Fix to check if localModifiedTime is >= than item.mtime to avoid re-upload for equal modified time
*   Fix to correctly set config directory permissions at first start

### Added
*   Added environment variable to allow easy HTTPS debug in docker
*   Added environment variable to allow download-only mode in Docker
*   Implement Feature: Allow config to specify a tenant id for non-multi-tenant applications
*   Implement Feature: Adding support for authentication with single tenant custom applications
*   Implement Feature: Configure specific File and Folder Permissions

### Updated
*   Updated documentation (readme.md, install.md, usage.md, bug_report.md)

## 2.4.6 - 2020-10-04
### Fixed
*   Fix flagging of remaining free space when value is being restricted
*   Fix --single-directory path handling when path does not exist locally
*   Fix checking for 'Icon' path as no longer listed by Microsoft as an invalid file or folder name
*   Fix removing child items on OneDrive when parent item responds with access denied
*   Fix to handle deletion events for files when inotify events are missing
*   Fix uninitialised value error as reported by valgrind
*   Fix to handle deletion events for directories when inotify events are missing

### Added
*   Implement Feature: Create shareable link
*   Implement Feature: Support wildcard within sync_list entries
*   Implement Feature: Support negative patterns in sync_list for fine grained exclusions
*   Implement Feature: Multiple skip_dir & skip_file configuration rules
*   Add GUI notification to advise users when the client needs to be reauthenticated

### Updated
*   Updated documentation (readme.md, install.md, usage.md, bug_report.md)

## 2.4.5 - 2020-08-13
### Fixed
*   Fixed fish auto completions installation destination

## 2.4.4 - 2020-08-11
### Fixed
*   Fix 'skip_dir' & 'skip_file' pattern matching to ensure correct matching is performed
*   Fix 'skip_dir' & 'skip_file' so that each directive is only used against directories or files as requried in --monitor
*   Fix client hand when attempting to sync a Unix pipe file
*   Fix --single-directory & 'sync_list' performance 
*   Fix erroneous 'return' statements which could prematurely end processing all changes returned from OneDrive
*   Fix segfault when attempting to perform a comparison on an inotify event when determining if event path is directory or file
*   Fix handling of Shared Folders to ensure these are checked against 'skip_dir' entries
*   Fix 'Skipping uploading this new file as parent path is not in the database' when uploading to a Personal Shared Folder
*   Fix how available free space is tracked when uploading files to OneDrive and Shared Folders
*   Fix --single-directory handling of parent path matching if path is being seen for first time

### Added
*   Added Fish auto completions

### Updated
*   Increase maximum individual file size to 100GB due to Microsoft file limit increase
*   Update Docker build files and align version of compiler across all Docker builds
*   Update Docker documentation
*   Update NixOS build information
*   Update the 'Processing XXXX' output to display the full path
*   Update logging output when a sync starts and completes when using --monitor
*   Update Office 365 / SharePoint site search query and response if query return zero match

## 2.4.3 - 2020-06-29
### Fixed
*   Check if symbolic link is relative to location path
*   When using output logfile, fix inconsistent output spacing
*   Perform initial sync at startup in monitor mode
*   Handle a 'race' condition to process inotify events generated whilst performing DB or filesystem walk
*   Fix segfault when moving folder outside the sync directory when using --monitor on Arch Linux

### Added
*   Added additional inotify event debugging
*   Added support for loading system configs if there's no user config
*   Added Ubuntu installation details to include installing the client from a PPA
*   Added openSUSE installation details to include installing the client from a package
*   Added support for comments in sync_list file
*   Implement recursive deletion when Retention Policy is enabled on OneDrive Business Accounts
*   Implement support for National cloud deployments
*   Implement OneDrive Business Shared Folders Support

### Updated
*   Updated documentation files (various)
*   Updated log output messaging when a full scan has been set or triggered
*   Updated buildNormalizedPath complexity to simplify code
*   Updated to only process OneDrive Personal Shared Folders only if account type is 'personal'

## 2.4.2 - 2020-05-27
### Fixed
*   Fixed the catching of an unhandled exception when inotify throws an error
*   Fixed an uncaught '100 Continue' response when files are being uploaded
*   Fixed progress bar for uploads to be more accurate regarding percentage complete
*   Fixed handling of database query enforcement if item is from a shared folder
*   Fixed compiler depreciation of std.digest.digest
*   Fixed checking & loading of configuration file sequence
*   Fixed multiple issues reported by Valgrind
*   Fixed double scan at application startup when using --monitor & --resync together
*   Fixed when renaming a file locally, ensure that the target filename is valid before attempting to upload to OneDrive
*   Fixed so that if a file is modified locally and --resync is used, rename the local file for data preservation to prevent local data loss

### Added
*   Implement 'bypass_data_preservation' enhancement

### Changed
*   Changed the monitor interval default to 300 seconds

### Updated
*   Updated the handling of out-of-space message when OneDrive is out of space
*   Updated debug logging for retry wait times

## 2.4.1 - 2020-05-02
### Fixed
*   Fixed the handling of renaming files to a name starting with a dot when skip_dotfiles = true
*   Fixed the handling of parentheses from path or file names, when doing comparison with regex
*   Fixed the handling of renaming dotfiles to another dotfile when skip_dotfile=true in monitor mode
*   Fixed the handling of --dry-run and --resync together correctly as current database may be corrupt
*   Fixed building on Alpine Linux under Docker
*   Fixed the handling of --single-directory for --dry-run and --resync scenarios
*   Fixed the handling of .nosync directive when downloading new files into existing directories that is (was) in sync
*   Fixed the handling of zero-byte modified files for OneDrive Business
*   Fixed skip_dotfiles handling of .folders when in monitor mode to prevent monitoring
*   Fixed the handling of '.folder' -> 'folder' move when skip_dotfiles is enabled
*   Fixed the handling of folders that cannot be read (permission error) if parent should be skipped
*   Fixed the handling of moving folders from skipped directory to non-skipped directory via OneDrive web interface
*   Fixed building on CentOS Linux under Docker
*   Fixed Codacy reported issues: double quote to prevent globbing and word splitting
*   Fixed an assertion when attempting to compute complex path comparison from shared folders
*   Fixed the handling of .folders when being skipped via skip_dir

### Added
*   Implement Feature: Implement the ability to set --resync as a config option, default is false

### Updated
*   Update error logging to be consistent when initialising fails
*   Update error logging output to handle HTML error response reasoning if present
*   Update link to new Microsoft documentation
*   Update logging output to differentiate between OneNote objects and other unsupported objects
*   Update RHEL/CentOS spec file example
*   Update known-issues.md regarding 'SSL_ERROR_SYSCALL, errno 104'
*   Update progress bar to be more accurate when downloading large files
*   Updated #658 and #865 handling of when to trigger a directory walk when changes occur on OneDrive
*   Updated handling of when a full scan is requried due to utilising sync_list
*   Updated handling of when OneDrive service throws a 429 or 504 response to retry original request after a delay

## 2.4.0 - 2020-03-22
### Fixed
*   Fixed how the application handles 429 response codes from OneDrive (critical update)
*   Fixed building on Alpine Linux under Docker
*   Fixed how the 'username' is determined from the running process for logfile naming
*   Fixed file handling when a failed download has occured due to exiting via CTRL-C
*   Fixed an unhandled exception when OneDrive throws an error response on initialising
*   Fixed the handling of moving files into a skipped .folder when skip_dotfiles = true
*   Fixed the regex parsing of response URI to avoid potentially generating a bad request to OneDrive, leading to a 'AADSTS9002313: Invalid request. Request is malformed or invalid.' response.

### Added
*   Added a Dockerfile for building on Rasberry Pi / ARM platforms
*   Implement Feature: warning on big deletes to safeguard data on OneDrive
*   Implement Feature: delete local files after sync
*   Implement Feature: perform skip_dir explicit match only
*   Implement Feature: provide config file option for specifying the Client Identifier

### Changed
*   Updated the 'Client Identifier' to a new Application ID

### Updated
*   Updated relevant documentation (README.md, USAGE.md) to add new feature details and clarify existing information
*   Update completions to include the --force-http-2 option
*   Update to always log when a file is skipped due to the item being invalid
*   Update application output when just authorising application to make information clearer
*   Update logging output when using sync_list to be clearer as to what is actually being processed and why

## 2.3.13 - 2019-12-31
### Fixed
*   Change the sync list override flag to false as default when not using sync_list
*   Fix --dry-run output when using --upload-only & --no-remote-delete and deleting local files

### Added
*   Add a verbose log entry when a monitor sync loop with OneDrive starts & completes

### Changed
*   Remove logAndNotify for 'processing X changes' as it is excessive for each change bundle to inform the desktop of the number of changes the client is processing

### Updated
*   Updated INSTALL.md with Ubuntu 16.x i386 build instructions to reflect working configuration on legacy hardware
*   Updated INSTALL.md with details of Linux packages
*   Updated INSTALL.md build instructions for CentOS platforms

## 2.3.12 - 2019-12-04
### Fixed
*   Retry session upload fragment when transient errors occur to prevent silent upload failure
*   Update Microsoft restriction and limitations about windows naming files to include '~' for folder names
*   Docker guide fixes, add multiple account setup instructions
*   Check database for excluded sync_list items previously in scope
*   Catch DNS resolution error
*   Fix where an item now out of scope should be flagged for local delete
*   Fix rebuilding of onedrive, but ensure version is properly updated 
*   Update Ubuntu i386 build instructions to use DMD using preferred method

### Added
*   Add debug message to when a message is sent to dbus or notification daemon
*   Add i386 instructions for legacy low memory platforms using LDC

## 2.3.11 - 2019-11-05
### Fixed
*   Fix typo in the documentation regarding invalid config when upgrading from 'skilion' codebase
*   Fix handling of skip_dir, skip_file & sync_list config options
*   Fix typo in the documentation regarding sync_list
*   Fix log output to be consistent with sync_list exclusion
*   Fix 'Processing X changes' output to be more reflective of actual activity when using sync_list
*   Remove unused and unexported SED variable in Makefile.in 
*   Handle curl exceptions and timeouts better with backoff/retry logic
*   Update skip_dir pattern matching when using wildcards
*   Fix when a full rescan is performed when using sync_list
*   Fix 'Key not found: name' when computing skip_dir path
*   Fix call from --monitor to observe --no-remote-delete
*   Fix unhandled exception when monitor initialisation failure occurs due to too many open local files
*   Fix unhandled 412 error response from OneDrive API when moving files right after upload
*   Fix --monitor when used with --download-only. This fixes a regression introduced in 12947d1.
*   Fix if --single-directory is being used, and we are using --monitor, only set inotify watches on the single directory

### Changed
*   Move JSON logging output from error messages to debug output

## 2.3.10 - 2019-10-01
### Fixed
*   Fix searching for 'name' when deleting a synced item, if the OneDrive API does not return the expected details in the API call
*   Fix abnormal termination when no Internet connection
*   Fix downloading of files from OneDrive Personal Shared Folders when the OneDrive API responds with unexpected additional path data
*   Fix logging of 'initialisation' of client to actually when the attempt to initialise is performed
*   Fix when using a sync_list file, using deltaLink will actually 'miss' changes (moves & deletes) on OneDrive as using sync_list discards changes
*   Fix OneDrive API status code 500 handling when uploading files as error message is not correct
*   Fix crash when resume_upload file is not a valid JSON 
*   Fix crash when a file system exception is generated when attempting to update the file date & time and this fails

### Added
*   If there is a case-insensitive match error, also return the remote name from the response
*   Make user-agent string a configuration option & add to config file
*   Set default User-Agent to 'OneDrive Client for Linux v{version}'

### Changed
*   Make verbose logging output optional on Docker
*   Enable --resync & debug client output via environment variables on Docker

## 2.3.9 - 2019-09-01
### Fixed
*   Catch a 403 Forbidden exception when querying Sharepoint Library Names
*   Fix unhandled error exceptions that cause application to exit / crash when uploading files
*   Fix JSON object validation for queries made against OneDrive where a JSON response is expected and where that response is to be used and expected to be valid
*   Fix handling of 5xx responses from OneDrive when uploading via a session

### Added
*   Detect the need for --resync when config changes either via config file or cli override

### Changed
*   Change minimum required version of LDC to v1.12.0

### Removed
*   Remove redundant logging output due to change in how errors are reported from OneDrive

## 2.3.8 - 2019-08-04
### Fixed
*   Fix unable to download all files when OneDrive fails to return file level details used to validate file integrity
*   Included the flag "-m" to create the home directory when creating the user
*   Fix entrypoint.sh to work with "sudo docker run"
*   Fix docker build error on stretch
*   Fix hidden directories in 'root' from having prefix removed
*   Fix Sharepoint Document Library handling for .txt & .csv files
*   Fix logging for init.d service
*   Fix OneDrive response missing required 'id' element when uploading images
*   Fix 'Unexpected character '<'. (Line 1:1)' when OneDrive has an exception error
*   Fix error when creating the sync dir fails when there is no permission to create the sync dir

### Added
*   Add explicit check for hashes to be returned in cases where OneDrive API fails to provide them despite requested to do so
*   Add comparison with sha1 if OneDrive provides that rather than quickXor
*   Add selinux configuration details for a sync folder outside of the home folder
*   Add date tag on docker.hub
*   Add back CentOS 6 install & uninstall to Makefile
*   Add a check to handle moving items out of sync_list sync scope & delete locally if true
*   Implement --get-file-link which will return the weburl of a file which has been synced to OneDrive

### Changed
*   Change unauthorized-api exit code to 3
*   Update LDC to v1.16.0 for Travis CI testing
*   Use replace function for modified Sharepoint Document Library files rather than delete and upload as new file, preserving file history
*   Update Sharepoint modified file handling for files > 4Mb in size

### Removed
*   Remove -d shorthand for --download-only to avoid confusion with other GNU applications where -d stands for 'debug'

## 2.3.7 - 2019-07-03
### Fixed
*   Fix not all files being downloaded due to OneDrive query failure
*   False DB update which potentially could had lead to false data loss on OneDrive

## 2.3.6 - 2019-07-03 (DO NOT USE)
### Fixed
*   Fix JSONValue object validation
*   Fix building without git being available
*   Fix some spelling/grammatical errors
*   Fix OneDrive error response on creating upload session

### Added
*   Add download size & hash check to ensure downloaded files are valid and not corrupt
*   Added --force-http-2 to use HTTP/2 if desired

### Changed
*   Deprecated --force-http-1.1 (enabled by default) due to OneDrive inconsistent behavior with HTTP/2 protocol

## 2.3.5 - 2019-06-19
### Fixed
*   Handle a directory in the sync_dir when no permission to access
*   Get rid of forced root necessity during installation
*   Fix broken autoconf code for --enable-XXX options
*   Fix so that skip_size check should only be used if configured
*   Fix a OneDrive Internal Error exception occurring before attempting to download a file

### Added
*   Check for supported version of D compiler

## 2.3.4 - 2019-06-13
### Fixed
*   Fix 'Local files not deleted' when using bad 'skip_file' entry
*   Fix --dry-run logging output for faking downloading new files
*   Fix install unit files to correct location on RHEL/CentOS 7
*   Fix up unit file removal on all platforms
*   Fix setting times on a file by adding a check to see if the file was actually downloaded before attempting to set the times on the file
*   Fix an unhandled curl exception when OneDrive throws an internal timeout error
*   Check timestamp to ensure that latest timestamp is used when comparing OneDrive changes
*   Fix handling responses where cTag JSON elements are missing
*   Fix Docker entrypoint.sh failures when GID is defined but not UID

### Added
*   Add autoconf based build system
*   Add an encoding validation check before any path length checks are performed as if the path contains any invalid UTF-8 sequences
*   Implement --sync-root-files to sync all files in the OneDrive root when using a sync_list file that would normally exclude these files from being synced
*   Implement skip_size feature request
*   Implement feature request to support file based OneDrive authorization (request | response)

### Updated
*   Better handle initialisation issues when OneDrive / MS Graph is experiencing problems that generate 401 & 5xx error codes
*   Enhance error message when unable to connect to Microsoft OneDrive service when the local CA SSL certificate(s) have issues
*   Update Dockerfile to correctly build on Docker Hub
*   Rework directory layout and re-factor MD files for readability

## 2.3.3 - 2019-04-16
### Fixed
*   Fix --upload-only check for Sharepoint uploads
*   Fix check to ensure item root we flag as 'root' actually is OneDrive account 'root'
*   Handle object error response from OneDrive when uploading to OneDrive Business
*   Fix handling of some OneDrive accounts not providing 'quota' details
*   Fix 'resume_upload' handling in the event of bad OneDrive response

### Added
*   Add debugging for --get-O365-drive-id function
*   Add shell (bash,zsh) completion support
*   Add config options for command line switches to allow for better config handling in docker containers

### Updated
*   Implement more meaningful 5xx error responses
*   Update onedrive.logrotate indentations and comments
*   Update 'min_notif_changes' to 'min_notify_changes'

## 2.3.2 - 2019-04-02
### Fixed
*   Reduce scanning the entire local system in monitor mode for local changes
*   Resolve file creation loop when working directly in the synced folder and Microsoft Sharepoint

### Added
*   Add 'monitor_fullscan_frequency' config option to set the frequency of performing a full disk scan when in monitor mode

### Updated
*   Update default 'skip_file' to include tmp and lock files generated by LibreOffice
*   Update database version due to changing defaults of 'skip_file' which will force a rebuild and use of new skip_file default regex

## 2.3.1 - 2019-03-26
### Fixed
*   Resolve 'make install' issue where rebuild of application would occur due to 'version' being flagged as .PHONY
*   Update readme build instructions to include 'make clean;' before build to ensure that 'version' is cleanly removed and can be updated correctly
*   Update Debian Travis CI build URL's

## 2.3.0 - 2019-03-25
### Fixed
*   Resolve application crash if no 'size' value is returned when uploading a new file
*   Resolve application crash if a 5xx error is returned when uploading a new file
*   Resolve not 'refreshing' version file when rebuilding
*   Resolve unexpected application processing by preventing use of --synchronize & --monitor together
*   Resolve high CPU usage when performing DB reads
*   Update error logging around directory case-insensitive match
*   Update Travis CI and ARM dependencies for LDC 1.14.0
*   Update Makefile due to build failure if building from release archive file
*   Update logging as to why a OneDrive object was skipped

### Added
*   Implement config option 'skip_dir'

## 2.2.6 - 2019-03-12
### Fixed
*   Resolve application crash when unable to delete remote folders when business retention policies are enabled
*   Resolve deprecation warning: loop index implicitly converted from size_t to int
*   Resolve warnings regarding 'bashisms'
*   Resolve handling of notification failure is dbus server has not started or available
*   Resolve handling of response JSON to ensure that 'id' key element is always checked for
*   Resolve excessive & needless logging in monitor mode
*   Resolve compiling with LDC on Alpine as musl lacks some standard interfaces
*   Resolve notification issues when offline and cannot act on changes
*   Resolve Docker entrypoint.sh to accept command line arguments
*   Resolve to create a new upload session on reinit 
*   Resolve where on OneDrive query failure, default root and drive id is used if a response is not returned
*   Resolve Key not found: nextExpectedRanges when attempting session uploads and incorrect response is returned
*   Resolve application crash when re-using an authentication URI twice after previous --logout
*   Resolve creating a folder on a shared personal folder appears successful but returns a JSON error
*   Resolve to treat mv of new file as upload of mv target
*   Update Debian i386 build dependencies
*   Update handling of --get-O365-drive-id to print out all 'site names' that match the explicit search entry rather than just the last match
*   Update Docker readme & documentation
*   Update handling of validating local file permissions for new file uploads
### Added
*   Add support for install & uninstall on RHEL / CentOS 6.x
*   Add support for when notifications are enabled, display the number of OneDrive changes to process if any are found
*   Add 'config' option 'min_notif_changes' for minimum number of changes to notify on, default = 5
*   Add additional Docker container builds utilising a smaller OS footprint
*   Add configurable interval of logging in monitor mode
*   Implement new CLI option --skip-dot-files to skip .files and .folders if option is used
*   Implement new CLI option --check-for-nosync to ignore folder when special file (.nosync) present
*   Implement new CLI option --dry-run

## 2.2.5 - 2019-01-16
### Fixed
*   Update handling of HTTP 412 - Precondition Failed errors
*   Update --display-config to display sync_list if configured
*   Add a check for 'id' key on metadata update to prevent 'std.json.JSONException@std/json.d(494): Key not found: id'
*   Update handling of 'remote' folder designation as 'root' items
*   Ensure that remote deletes are handled correctly
*   Handle 'Item not found' exception when unable to query OneDrive 'root' for changes
*   Add handling for JSON response error when OneDrive API returns a 404 due to OneDrive API regression
*   Fix items highlighted by codacy review
### Added
*   Add --force-http-1.1 flag to downgrade any HTTP/2 curl operations to HTTP 1.1 protocol
*   Support building with ldc2 and usage of pkg-config for lib finding

## 2.2.4 - 2018-12-28
### Fixed
*   Resolve JSONException when supplying --get-O365-drive-id option with a string containing spaces
*   Resolve 'sync_dir' not read from 'config' file when run in Docker container
*   Resolve logic where potentially a 'default' ~/OneDrive sync_dir could be set despite 'config' file configured for an alternate
*   Make sure sqlite checkpointing works by properly finalizing statements
*   Update logic handling of --single-directory to prevent inadvertent local data loss
*   Resolve signal handling and database shutdown on SIGINT and SIGTERM
*   Update man page
*   Implement better help output formatting
### Added
*   Add debug handling for sync_dir operations
*   Add debug handling for homePath calculation
*   Add debug handling for configDirBase calculation
*   Add debug handling if syncDir is created
*   Implement Feature Request: Add status command or switch

## 2.2.3 - 2018-12-20
### Fixed
*   Fix syncdir option is ignored

## 2.2.2 - 2018-12-20
### Fixed
*   Handle short lived files in monitor mode
*   Provide better log messages, less noise on temporary timeouts
*   Deal with items that disappear during upload
*   Deal with deleted move targets
*   Reinitialize sync engine after three failed attempts
*   Fix activation of dmd for docker builds
*   Fix to check displayName rather than description for --get-O365-drive-id
*   Fix checking of config file keys for validity
*   Fix exception handling when missing parameter from usage option
### Added
*   Notification support via libnotify
*   Add very verbose (debug) mode by double -v -v
*   Implement option --display-config

## 2.2.1 - 2018-12-04
### Fixed
*   Gracefully handle connection errors in monitor mode 
*   Fix renaming of files when syncing 
*   Installation of doc files, addition of man page 
*   Adjust timeout values for libcurl 
*   Continue in monitor mode when sync timed out 
*   Fix unreachable statements 
*   Update Makefile to better support packaging 
*   Allow starting offline in monitor mode 
### Added
*   Implement --get-O365-drive-id to get correct SharePoint Shared Library (#248)
*   Docker buildfiles for onedrive service (#262) 

## 2.2.0 - 2018-11-24
### Fixed
*   Updated client to output additional logging when debugging
*   Resolve database assertion failure due to authentication
*   Resolve unable to create folders on shared OneDrive Personal accounts
### Added
*   Implement feature request to Sync from Microsoft SharePoint
*   Implement feature request to specify a logging directory if logging is enabled
### Changed
*   Change '--download' to '--download-only' to align with '--upload-only'
*   Change logging so that logging to a separate file is no longer the default

## 2.1.6 - 2018-11-15
### Fixed
*   Updated HTTP/2 transport handling when using curl 7.62.0 for session uploads
### Added
*   Added PKGBUILD for makepkg for building packages under Arch Linux

## 2.1.5 - 2018-11-11
### Fixed
*   Resolve 'Key not found: path' when syncing from some shared folders due to OneDrive API change
*   Resolve to only upload changes on remote folder if the item is in the database - dont assert if false
*   Resolve files will not download or upload when using curl 7.62.0 due to HTTP/2 being set as default for all curl operations
*   Resolve to handle HTTP request returned status code 412 (Precondition Failed) for session uploads to OneDrive Personal Accounts
*   Resolve unable to remove '~/.config/onedrive/resume_upload: No such file or directory' if there is a session upload error and the resume file does not get created
*   Resolve handling of response codes when using 2 different systems when using '--upload-only' but the same OneDrive account and uploading the same filename to the same location
### Updated
*   Updated Travis CI building on LDC v1.11.0 for ARMHF builds
*   Updated Makefile to use 'install -D -m 644' rather than 'cp -raf'
*   Updated default config to be aligned to code defaults

## 2.1.4 - 2018-10-10
### Fixed
*   Resolve syncing of OneDrive Personal Shared Folders due to OneDrive API change
*   Resolve incorrect systemd installation location(s) in Makefile

## 2.1.3 - 2018-10-04
### Fixed
*   Resolve File download fails if the file is marked as malware in OneDrive
*   Resolve high CPU usage when running in monitor mode
*   Resolve how default path is set when running under systemd on headless systems
*   Resolve incorrectly nested configDir in X11 systems
*   Resolve Key not found: driveType
*   Resolve to validate filename length before download to conform with Linux FS limits
*   Resolve file handling to look for HTML ASCII codes which will cause uploads to fail
*   Resolve Key not found: expirationDateTime on session resume
### Added
*   Update Travis CI building to test build on ARM64

## 2.1.2 - 2018-08-27
### Fixed
*   Resolve skipping of symlinks in monitor mode
*   Resolve Gateway Timeout - JSONValue is not an object
*   Resolve systemd/user is not supported on CentOS / RHEL
*   Resolve HTTP request returned status code 429 (Too Many Requests)
*   Resolve handling of maximum path length calculation
*   Resolve 'The parent item is not in the local database'
*   Resolve Correctly handle file case sensitivity issues in same folder
*   Update unit files documentation link

## 2.1.1 - 2018-08-14
### Fixed
*   Fix handling no remote delete of remote directories when using --no-remote-delete
*   Fix handling of no permission to access a local file / corrupt local file
*   Fix application crash when unable to access login.microsoft.com upon application startup
### Added
*   Build instructions for openSUSE Leap 15.0

## 2.1.0 - 2018-08-10
### Fixed
*   Fix handling of database exit scenarios when there is zero disk space left on drive where the items database resides
*   Fix handling of incorrect database permissions
*   Fix handling of different database versions to automatically re-create tables if version mis-match
*   Fix handling timeout when accessing the Microsoft OneDrive Service
*   Fix localFileModifiedTime to not use fraction seconds
### Added
*   Implement Feature: Add a progress bar for large uploads & downloads
*   Implement Feature: Make checkinterval for monitor configurable
*   Implement Feature: Upload Only Option that does not perform remote delete
*   Implement Feature: Add ability to skip symlinks
*   Add dependency, ebuild and build instructions for Gentoo distributions
### Changed
*   Build instructions for x86, x86_64 and ARM32 platforms
*   Travis CI files to automate building on x32, x64 and ARM32 architectures
*   Travis CI files to test built application against valid, invalid and problem files from previous issues

## 2.0.2 - 2018-07-18
### Fixed
*   Fix systemd service install for builds with DESTDIR defined
*   Fix 'HTTP 412 - Precondition Failed' error handling
*   Gracefully handle OneDrive account password change
*   Update logic handling of --upload-only and --local-first

## 2.0.1 - 2018-07-11
### Fixed
*   Resolve computeQuickXorHash generates a different hash when files are > 64Kb

## 2.0.0 - 2018-07-10
### Fixed
*   Resolve conflict resolution issue during syncing - the client does not handle conflicts very well & keeps on adding the hostname to files
*   Resolve skilion #356 by adding additional check for 409 response from OneDrive
*   Resolve multiple versions of file shown on website after single upload
*   Resolve to gracefully fail when 'onedrive' process cannot get exclusive database lock
*   Resolve 'Key not found: fileSystemInfo' when then item is a remote item (OneDrive Personal)
*   Resolve skip_file config entry needs to be checked for any characters to escape
*   Resolve Microsoft Naming Convention not being followed correctly
*   Resolve Error when trying to upload a file with weird non printable characters present
*   Resolve Crash if file is locked by online editing (status code 423)
*   Resolve Resolve compilation issue with dmd-2.081.0
*   Resolve skip_file configuration doesn't handle spaces or specified directory paths
### Added
*   Implement Feature: Add a flag to detect when the sync-folder is missing
*   Implement Travis CI for code testing
### Changed
*   Update Makefile to use DESTDIR variables
*   Update OneDrive Business maximum path length from 256 to 400
*   Update OneDrive Business allowed characters for files and folders
*   Update sync_dir handling to use the absolute path for setting parameter to something other than ~/OneDrive via config file or command line
*   Update Fedora build instructions

## 1.1.2 - 2018-05-17
### Fixed
*   Fix 4xx errors including (412 pre-condition, 409 conflict)
*   Fix Key not found: lastModifiedDateTime (OneDrive API change)
*   Fix configuration directory not found when run via init.d
*   Fix skilion Issues #73, #121, #132, #224, #257, #294, #295, #297, #298, #300, #306, #315, #320, #329, #334, #337, #341
### Added
*   Add logging - log client activities to a file (/var/log/onedrive/%username%.onedrive.log or ~/onedrive.log)
*   Add https debugging as a flag
*   Add `--synchronize` to prevent from syncing when just blindly running the application
*   Add individual folder sync
*   Add sync from local directory first rather than download first then upload
*   Add upload long path check
*   Add upload only
*   Add check for max upload file size before attempting upload
*   Add systemd unit files for single & multi user configuration
*   Add init.d file for older init.d based services
*   Add Microsoft naming conventions and namespace validation for items that will be uploaded
*   Add remaining free space counter at client initialisation to avoid out of space upload issue
*   Add large file upload size check to align to OneDrive file size limitations
*   Add upload file size validation & retry if does not match
*   Add graceful handling of some fatal errors (OneDrive 5xx error handling)

## Unreleased - 2018-02-19
### Fixed
*   Crash when the delta link is expired
### Changed
*   Disabled buffering on stdout

## 1.1.1 - 2018-01-20
### Fixed
*   Wrong regex for parsing authentication uri

## 1.1.0 - 2018-01-19
### Added
*   Support for shared folders (OneDrive Personal only)
*   `--download` option to only download changes
*   `DC` variable in Makefile to chose the compiler
### Changed
*   Print logs on stdout instead of stderr
*   Improve log messages

## 1.0.1 - 2017-08-01
### Added
*   `--syncdir` option
### Changed
*   `--version` output simplified
*   Updated README
### Fixed
*   Fix crash caused by remotely deleted and recreated directories

## 1.0.0 - 2017-07-14
### Added
*   `--version` option
