Stop conflating note & instrument flags and process the data separately.
Implement commands 02, 03, 0F, 15 & 29 and add workarounds for 01 & 03
corner cases.
Add 0x2A retrigger as required by MENU0.PSM
Read & apply the row limit. Minor refactoring.
Merge pull request #19 from gentoochainsaw/master

Improved OMF2097 PSM support