Homologous/nonhomologous averages to exportstring

* Added Homologous InterSwitch Time and Non-Homologous InterSwitch Time
to export string
Faster way to calculate fastest time

* Better way to check for fastest time by ommitting 19 checks
Countdown now counts down by 500ms

* Updated all references to countDownToState
Use mouseclicked over mousepress

* Clicks are much more strict on buttons and finger tracking to help
prevent multiple presses