added text directory to house word files
basic Constants file

text filenames, and the alphabet; can't think of anything else that's very word-basic Constant just yet
added primeabet to Constants
initial Anagram.py checkin, w calc_value
DOH, dont reference module within itself. Constants update
fixed _len_values, added generic read (interpreter) readin
added _looping_anagram
added looping_anagram wrapper
added some unit tests to looping_anagram... should probably test them