update gitignore to exclude arff files
simple framework for answering part
add filter package
add question type filters
update sentence
add simple question classifier
merge dev
add porter stemmer
add dependency ranking
Merge branch 'dev' of github.com:wc3/QA into dev
add what-question filter, upgrade pipeline
full text search
add coref
redirecy stdout to stderr when loading wordnet
Merge pull request #11 from spininertia/master

A bunch of optimizations