1.1.5
Added option to run ImageAlpha, output version and usage information.
Ensure ImageAlpha.app is installed if --image-alpha param set
Run ImageAlpha.app first if --image-alpha is set
fixes #14, Multiple ImageAlpha.app windows open
fixes #9, Optionally quit ImageOptim.app on complete
fixes #10, Handle ImageOptim.app quitting before completing
README
1.3.1
applied and tested @jamesstout's countProcesses(), fixes #15