v5.0.0

• Added a complete caching system to improve the speed of searching by content and copying references to the clipboard
  • Added all necessary unit tests to ensure correct behavior
• Added language support for Swahili (sw)
• Rewrote preferences filter to be more robust
  • Added and revised tests for filtering preferences
• Added unit tests ensuring that all source files have the proper module/encoding headers
• Fixed a major bug in which running unit tests would manipulate the host machine's user preferences (rather than manipulating a separate, temporary copy of user preferences)