Release 2.5.7

• @BigRoy Fixed an issue when syncing a library on a network share
• Added menu action to overwrite existing items
• Added support for search and replace when applying a pose
• Added API functions for setting and managing more than one library
• Added new settings dialog and progress bar
• Added sorting by the "Modified" field
• Small style improvements on macOS
• Fixed browsing to external drives on macOS
• Fixed issue when saving locked animation curves
• Fixed syncing issue when the root path is just the drive letter "D:/"
• Many smaller bug fixes and improvements