refactor Source::Parser::Meetup.
refactor Source::Parser::Meetup.

cp/calagator-1,shawnacscott/calagator,jmcduffie32/calagator,iamBalaji/Calagator,shawnacscott/calagator,bencornelis/calagator,cp/calagator-1,jmcduffie32/calagator,alexbeeken/calagator.org,matthewkmayer/calagator,matthewkmayer/calagator,alexbeeken/calagator.org,matthewkmayer/calagator,oktober/calagator,reidab/calagator,L2-D2/calagator,oktober/calagator,kerrizor/calagator,reidab/calagator,VolunteerOdyssey/calagator,bencornelis/calagator,L2-D2/calagator,shawnacscott/calagator,oktober/calagator,nblackburn87/calagator,L2-D2/calagator,iamBalaji/Calagator,jmcduffie32/calagator,nblackburn87/calagator,kerrizor/calagator,jmcduffie32/calagator,kerrizor/calagator,iamBalaji/Calagator,VolunteerOdyssey/calagator,kerrizor/calagator,iamBalaji/Calagator,matthewkmayer/calagator,nblackburn87/calagator,bencornelis/calagator,reidab/calagator,bencornelis/calagator,cp/calagator-1,reidab/calagator,VolunteerOdyssey/calagator,oktober/calagator,cp/calagator-1,L2-D2/calagator,shawnacscott/calagator