v0.2.3

Fix pyinstaller not knowing what exit() is

v0.2.2

Fix crash if GdiIcmGammaRange is not set

v0.2.1

Add gamma ramp test that on failure sets GdiIcmGammaRange to 256

v0.2.0

Add gamma ramp method

v0.1.1

Fix brightness not resetting when killed while flashed

v0.1.0

Initial commit