0.1.2 - 100327
* fixed a volume glitch when no instrument is given along with the note

0.1.1 - 091220
* fixed a potential crash when the end of a sample is reached

0.1.0 - 091220
* initial release
* added haddock documentation
* improved performance over initial Hemkay release
* alternative ways to generate mixer output: unfoldr style or straight to buffer