v2.0.0

• Updated included wimlib to 1.13.2.
• Native libraries are now placed following NuGet convention-based working directory on .NET Standard build.
• Added Compressor, Decompressor classes.
• BREAKING CHANGES: Redesigned public APIs.
  • Applied consistent standard naming convention.
    • Renamed ProgressInfo_* structs into *Progress classes.
    • Renamed enums to PascalCase style from C_CONST style.
    • Renamed ChangeFlags.*Flag into ChangeFlags.*.
  • Renamed ProgressInfo_* structs into *Progress classes.
  • Rewrote progress callback strcuts into classes to improve callback performance.
  • Rewrote iterate functions and their callbacks.
    • Renamed IterateFlags into IterateDirTreeFlags.
    • Reserve IterateLookupTableFlags to used in Wim.IterateLookupTable().
  • Added InitFlags and overloads of GlobalInit().
  • Replaced ManagedWimLib.FileAttribute with standard System.IO.FileAttributes.
  • Removed Wim.PathSeparator, use of standard Path.DirectorySeparatorChar is recommended.
  • Rewrote version functions into properties.