added custom file model for drive sync in driveTools.DriveFileModel; changed the authentication process in driveTools.GoogleAuth to work with refresh tokens; Added a static set of mime types in utils.MimeTypes to simplify MetaData generation; Added the static values TMP_FOLDER and FILE_SYNC_PATH to utils.ConfigOptions;Changed the constructor of cryptoTools.ProgressDialog to be more dynamic and reusable;Implemented the fetching of drive metadata in driveTools.GoogleAPI and driveTools.GoogleBackend; Added a check if FILE_SYNC_PATH exists to startup.StartUP