Added symmetric deletion based suggestion algorithms with tests.
Add spell checking function. It works but there are wonky encoding
issues brought over from hunspell.
Spell check postprocessing
Encapsulate spell checker into class to speed up recurring tasks
s/DICT_URL/DICT_PATH
Fix stray return
Rewrite spell checker to use a simple ngram similarity measure as
hunspell is too intelligent for the hocrinfoaggregator algorithm
Strip trailing newlines from dictionaries
s/NFD/NFC
s/set([])/set()
Add dictionary creation script
Rewrite sym_suggest to run in somewhat constant time
new and fancier mkdict building the revised dictionaries for sym_suggest
Added single delete Greek symmetric spell check dictionary (compressed).
Added a script for generating symmetric deletion dictionaries.
Merge remote-tracking branch 'mitagessen/spellcheck' into postcorrect
Removed old abbyy conversion module; will re-implement with hocr tools.
Implemented proper symmetric delete based spellcheck with tests.
Added diacritic stripping fuctions with tests. Modified the uniblock function to make it work/useful.
Added dictionary of Greek words with invariant diacritics.