clean up and added func to remove 404 packageModels
clean up and added func to remove 404 packageModels

gophr-pm/gophr,gophr-pm/gophr,skeswa/gophr,gophr-pm/gophr,skeswa/gophr,gophr-pm/gophr,gophr-pm/gophr,skeswa/gophr,skeswa/gophr,skeswa/gophr