AmioWavpack 2.2 Release

• Bug fix: issues with spectral view and playback in very long audio files (> 4G samples)
• Updated to latest WavPack library code (5.9.0) built with legacy file support (but not threading)
• AmioWavpack-x64 plugin package is for Adobe Audition 6 and up (CC to CC 2017 and up) on Windows
• AmioWavpack-x86 plugin package is for Adobe Audition 4 and 5 (CS5.5 and CS6) on Windows