gave arg.screen a more accurate name, arg.screens
moved normalizing to a function
cleaned up import of phash
do not track py-phash binary anymore. preparing pyphash to be installable with makefile.
removed common.sh, only choptitle used them so the contents are now included with it
versions are seperate now. it's just easier
fixed problem printing version
preparing for new choptitle script
added new choptitle script
renamed new choptitle script
removed old choptitle script