REMOVE LARGE FILES (all .pkl files in this case)
git filter-branch --index-filter 'git rm --cached --ignore-unmatch *.pkl' --tag-name-filter cat -- --all
ARTICLE ON GIT SUBMODULES
http://chrisjean.com/2009/04/20/git-submodules-adding-using-removing-and-updating/
Basically, git submodule add https://kastnerkyle@github.com/kastnerkyle/RNNLIB RNNLIB
