Adding more versions to travis
Adding more versions to travis

Design-Collective/mailboxer,joshtate04/mailboxer,Groovej/mailboxer,jason-wang-0401/mailboxer,sai43/mailboxer,netbrick/mailboxer,mattherick/mailboxer,jason-wang-0401/mailboxer,Design-Collective/mailboxer,modsaid/mailboxer,joshtate04/mailboxer,lacco/mailboxer,shekibobo/mailboxer,mailboxer/mailboxer,WeConnect/mailboxer,noafroboy/mailboxer,t27duck/mailboxer,untitledstartup/mailboxer,mailboxer/mailboxer,roomaroom/mailboxer,sai43/mailboxer,cantonyselim/mailboxer,chepri/mailboxer,crowdvn/mailboxer,jarkadlec/mailboxer,techstars/mailboxer,jarkadlec/mailboxer,modsaid/mailboxer,noafroboy/mailboxer,roomaroom/mailboxer,lacco/mailboxer,t27duck/mailboxer,Groovej/mailboxer,netbrick/mailboxer,untitledstartup/mailboxer,psu-stewardship/mailboxer,mattherick/mailboxer,div/mailboxer,shekibobo/mailboxer,cantonyselim/mailboxer,afalone/mailboxer,chepri/mailboxer