Revert "remove dev version from travis, looks like this is broken currently"
Revert "remove dev version from travis, looks like this is broken currently"

This reverts commit ca167090272dd156813769234bdf799ea60e3860.

androguard/androguard,androguard/androguard,reox/androguard,shuxin/androguard,huangtao2003/androguard