- added "Pooling=False" parameter to all Sqlite connection strings to prevent open file locks after closing the connection and to avoid extreme delays when using CloseAllPools()
- C# code refactoring "using var" instead of "using ( ) { }" where possible
- fixed issues where SQLite database files didn't get unlocked after saving
- fixed quirks with missing e_sqlite3.dll when running unit tests with Resharper
- upgraded to latest Sqlite libraries to support ARM
- finished implementation for Hisense Vidaa U5.2 file format (using servicelist.db with renamed tables and columns)
- added round-trip unit test for all loaders to check reordering channels and favorites, saving and reloading
- internal code clean-up regarding different favorite list modes (none vs. flags vs. ordered per source vs. mixed source)
