added timing, cleaned up doc tests for Anagram.

note - it has a call to main(), but no main() just yet. That's command line, for another time
added scrabble scores to Constants
not too sure what __init__.py does just yet, but I made one
initial commit on Shift, though it's mostly complete.

Will need to add doctests and then actual make sure they all work. Also want to eventually figure out Dec.time_me and make it not repeat