Max version 0.6.1 released

Max 0.6.1 is a bug fix release for two major bugs found in 0.6. Problems with Apple Lossless conversion and AIFF creation have been fixed.

New features:
- Composer tag now written to AAC/Apple Lossless files

Bug fixes:
- Fixed conversion bug for Apple Lossless files
- Fixed Core Audio encoding bug for AIFF format