Add porter stemming
Add porter stemming

sunlightlabs/Capitol-Words,sunlightlabs/Capitol-Words,sunlightlabs/Capitol-Words,propublica/Capitol-Words,propublica/Capitol-Words,propublica/Capitol-Words,sunlightlabs/Capitol-Words,sunlightlabs/Capitol-Words,sunlightlabs/Capitol-Words,sunlightlabs/Capitol-Words,propublica/Capitol-Words