TST: Add 3.8-dev to travisCI testing.
TST: Add 3.8-dev to travisCI testing.

simongibbons/numpy,WarrenWeckesser/numpy,MSeifert04/numpy,anntzer/numpy,pdebuyl/numpy,madphysicist/numpy,abalkin/numpy,pdebuyl/numpy,ahaldane/numpy,ahaldane/numpy,pdebuyl/numpy,madphysicist/numpy,simongibbons/numpy,endolith/numpy,ahaldane/numpy,mattip/numpy,pizzathief/numpy,abalkin/numpy,rgommers/numpy,numpy/numpy,numpy/numpy,seberg/numpy,WarrenWeckesser/numpy,jakirkham/numpy,MSeifert04/numpy,rgommers/numpy,seberg/numpy,pizzathief/numpy,jorisvandenbossche/numpy,WarrenWeckesser/numpy,anntzer/numpy,grlee77/numpy,ahaldane/numpy,jorisvandenbossche/numpy,mhvk/numpy,seberg/numpy,pbrod/numpy,madphysicist/numpy,MSeifert04/numpy,simongibbons/numpy,simongibbons/numpy,jorisvandenbossche/numpy,anntzer/numpy,pbrod/numpy,mhvk/numpy,jakirkham/numpy,jorisvandenbossche/numpy,numpy/numpy,mhvk/numpy,charris/numpy,pizzathief/numpy,simongibbons/numpy,mattip/numpy,mhvk/numpy,rgommers/numpy,charris/numpy,madphysicist/numpy,MSeifert04/numpy,seberg/numpy,endolith/numpy,ahaldane/numpy,pbrod/numpy,endolith/numpy,jorisvandenbossche/numpy,jakirkham/numpy,grlee77/numpy,endolith/numpy,pizzathief/numpy,pbrod/numpy,grlee77/numpy,MSeifert04/numpy,pdebuyl/numpy,jakirkham/numpy,mhvk/numpy,mattip/numpy,numpy/numpy,pizzathief/numpy,WarrenWeckesser/numpy,rgommers/numpy,jakirkham/numpy,pbrod/numpy,mattip/numpy,abalkin/numpy,anntzer/numpy,grlee77/numpy,WarrenWeckesser/numpy,grlee77/numpy,madphysicist/numpy,charris/numpy,charris/numpy