Travis CI build failing on Python 3.5 with dependency issues and 2.7 and 3.6 with a PROJ_LIB KeyError. Move Python 3.5 to allowed failures, add 3.7 as a build, experiment with test environments to overcome travis CI build failing with KeyError PROJ_LIB on 2.7 and 3.6
Travis CI build failing on Python 3.5 with dependency issues and 2.7 and 3.6 with a PROJ_LIB KeyError. Move Python 3.5 to allowed failures, add 3.7 as a build, experiment with test environments to overcome travis CI build failing with KeyError PROJ_LIB on 2.7 and 3.6