* Make user-agent string a configuration option
* Set default User-Agent to OneDrive Client for Linux v{version}
* Add 'user_agent' to default config file
* 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
* Add debug line for flagging to disable upload validation checks
* Handle Microsoft 'enrichment' of certain documents when stored on Sharepoint
* Handle skip_dir checks when nothing to check against (false positive)
* Update default 'skip_file' to include tmp and lock files generated by LibreOffice
* Update code comments & logging output
* Update readme & default config file
* Update database version due to changing defaults of 'skip_file' which will force a rebuild and use of new skip_file default regex
