silence----v1.2
- decreased the sensitivity of the app zoom with alt
- fixed mouse wheel to zoom
- defined a max app zoom
- diminished the pitch change with mouse when playing note

silence----v1.1
- added the key a/q for zooming on rectangles
- updated the help section acordingly
- fixed envelope length
- eliminated clicks
- eliminated crash with backward playing out of bounds
- fixed clicks in spectrograms when out of bounds (newly appeared)
- fixed small crackles in pitch shift waveform
- fixed overlap add + pitch shift (use temporal pitch shift every time)
