TravisCI - add PHP7 to build matrix
TravisCI - add PHP7 to build matrix
quizlet/paratest,brianium/paratest,ThomasDelteil/paratest,ThomasDelteil/paratest,brianium/paratest,chbiel/paratest,chbiel/paratest,RojerUA/paratest,RojerUA/paratest,quizlet/paratest