Initial attempt to standardize

-Predictability of distribution standardized
--Still needs threading support
-Frequency of alternation not fully standardized
Docstrings and GUI error handling
Khorsi tests

Spelling type and token are currently failing
Fix so that relatedness isn't returned as a list
LCS testing
Transcription test and possible fix for strings

Haven't tested new lcs method!
Refactored Khorsi module
Refactored string similarity
Changed freqalt to make the GUI work

Had to update how it interfaced with string similarity
Cleanup
Recoded tests for refactor changes
Cleanup

Updated docstrings, cleaned up imports, and collapsed mass_relate into
string_similarity
Revert PROD api updates

Sadface
Merge pull request #164 from kchall/ss-tests

String similarity tests