Added psychopy toy example and toy example integration.
Added Toy, SSEP and VisSpeller examples for openSesame.
Changed VisSpellerforAndroid to conform to matrixSpeller specs, apart from the grid.
Moved all code containing numpy calls into their own functions (rawtoarray, arraysize, validatearray).
Added fallback functions that are used when numpy isn't availeble
Merge branch 'master' into pythonbuffernumpy
Removed numpy requirement from setup.