version 5 wooooooooo

- program mode
- random sounds as a mode, off by default
- code when found a thing is better
- new sound/fixed a sound
- rewrote audio stuff to check if sounds exist, then try defaults, then
do nothing if sound unavailable
actual version 5

- changed some audio for nicer default workings
- fixed sound when directly over image being too big an area
- fixed sound being massively broken in last commit