Make some constants more macro-friendly.
Add a key pattern handler unit.
Add some module key pattern definitions.
Add reader functions for some module key patterns.
Improve naming.
Add effect manifest reader function.
Add effect connections reader function, support both composition and instrument level effects properly.
Add DSP manifest reader function.
Support instruments in effect and DSP readers.
Add DSP type reader function.
Add DSP implementation/configuration data reader functions.
Add instrument manifest reader function.
Add instrument header reader function.
Add instrument connections reader function.
Disable obsolete instrument pitch lock support.
Add instrument envelope reader functions.
Add generator manifest reader function.
Add generator type reader function.
Add generator implementation/configuration data reader functions.
Add album manifest reader function.