Replace history.

 0.37
 ----

Update: New function for measuring CPU load.

Update: New function for reporting number of voices 
        currently playing.

Update: New function for stoping the dma interrupt.

 0.36
 ----

Bugfix: Memory leak found and removed.

Bugfix: Velocity control for OSC. OFFSET was not working.

Bugfix: Samples were wrongly detuned one half note.

Update: PFFFF function implemented.

 0.35 
 ----

First released version.