Add “set voice to note” block
fix filename for mouse rectangles example
Add rudimentary song playback capability to the music library
Fix some errors with little-used blocks
Add musical sample program
Fix the implementation of dotted notes
Rebuild
Merge pull request #399 from CelticMinstrel/music

Music
Added example of using native Drag and Drop, works across FF/Chrome/Safari (need to test on mobile)
Merge branch 'master' of https://github.com/waterbearlang/waterbear
possible fix, needs more testing
Merge pull request #404 from waterbearlang/400_seq_num_bug

possible fix, needs more testing
Fix context menu triggering on template blocks
Fix dragging within the menu adding to the undo stack even though nothing has actually changed
Fix copy-drag duplicating template blocks in the menu
Fix locals being allowed to escape the scope in which they are defined