Support compressed CHD images

[claunia]

• [x] Get test images
• [ ] Add support for version 5 compressed CHD images
  • [ ] Add MAME's huffman algorithm in C#
• [ ] Add support for LZMA compressed CHD images
  • [x] Get LZMA algorithm in C#
  • [x] Push algorithm to SharpCompress
  • [x] Get mainstream release
• [ ] Add support for FLAC compressed CHD images
  • [ ] Get FLAC algorithm in C#
  • [ ] Push algorithm to appropiate library
  • [ ] Get mainstream release

[claunia]

Superseded by #106 and #107