ENH: core: Change the default casting rule from 'unsafe' to 'same_kind'
ENH: core: Change the default casting rule from 'unsafe' to 'same_kind'

This is an experimental change, to see what kind of ripple effects
tightening up the semantics of NumPy just a little bit produce.

simongibbons/numpy,solarjoe/numpy,Srisai85/numpy,ssanderson/numpy,madphysicist/numpy,trankmichael/numpy,embray/numpy,dwf/numpy,mattip/numpy,tacaswell/numpy,utke1/numpy,dwillmer/numpy,AustereCuriosity/numpy,tacaswell/numpy,pizzathief/numpy,tdsmith/numpy,sigma-random/numpy,leifdenby/numpy,stefanv/numpy,numpy/numpy,bertrand-l/numpy,SunghanKim/numpy,MSeifert04/numpy,Srisai85/numpy,ewmoore/numpy,ewmoore/numpy,CMartelLML/numpy,shoyer/numpy,Anwesh43/numpy,rudimeier/numpy,pelson/numpy,mattip/numpy,bmorris3/numpy,ajdawson/numpy,Dapid/numpy,behzadnouri/numpy,jonathanunderwood/numpy,ContinuumIO/numpy,pbrod/numpy,mwiebe/numpy,rherault-insa/numpy,ekalosak/numpy,NextThought/pypy-numpy,drasmuss/numpy,GaZ3ll3/numpy,dch312/numpy,seberg/numpy,ssanderson/numpy,dato-code/numpy,hainm/numpy,jorisvandenbossche/numpy,embray/numpy,Eric89GXL/numpy,gfyoung/numpy,pbrod/numpy,GrimDerp/numpy,cjermain/numpy,stuarteberg/numpy,cjermain/numpy,skymanaditya1/numpy,naritta/numpy,brandon-rhodes/numpy,nbeaver/numpy,endolith/numpy,WarrenWeckesser/numpy,jonathanunderwood/numpy,mhvk/numpy,nguyentu1602/numpy,cowlicks/numpy,shoyer/numpy,gmcastil/numpy,grlee77/numpy,jankoslavic/numpy,githubmlai/numpy,SunghanKim/numpy,skymanaditya1/numpy,GaZ3ll3/numpy,WillieMaddox/numpy,Yusa95/numpy,skwbc/numpy,dimasad/numpy,mortada/numpy,naritta/numpy,SiccarPoint/numpy,MichaelAquilina/numpy,rajathkumarmp/numpy,cowlicks/numpy,Dapid/numpy,ESSS/numpy,naritta/numpy,madphysicist/numpy,ddasilva/numpy,simongibbons/numpy,grlee77/numpy,pelson/numpy,jschueller/numpy,gmcastil/numpy,GaZ3ll3/numpy,trankmichael/numpy,githubmlai/numpy,brandon-rhodes/numpy,ChanderG/numpy,larsmans/numpy,pdebuyl/numpy,andsor/numpy,pbrod/numpy,pizzathief/numpy,bertrand-l/numpy,numpy/numpy,shoyer/numpy,jorisvandenbossche/numpy,kiwifb/numpy,rgommers/numpy,abalkin/numpy,jankoslavic/numpy,solarjoe/numpy,musically-ut/numpy,rherault-insa/numpy,rmcgibbo/numpy,argriffing/numpy,rudimeier/numpy,mortada/numpy,mindw/numpy,Srisai85/numpy,ChristopherHogan/numpy,matthew-brett/numpy,stefanv/numpy,jankoslavic/numpy,drasmuss/numpy,kirillzhuravlev/numpy,BMJHayward/numpy,sinhrks/numpy,Eric89GXL/numpy,stuarteberg/numpy,KaelChen/numpy,yiakwy/numpy,immerrr/numpy,felipebetancur/numpy,ViralLeadership/numpy,groutr/numpy,shoyer/numpy,naritta/numpy,mingwpy/numpy,empeeu/numpy,charris/numpy,njase/numpy,brandon-rhodes/numpy,pbrod/numpy,empeeu/numpy,has2k1/numpy,endolith/numpy,SiccarPoint/numpy,MSeifert04/numpy,stefanv/numpy,abalkin/numpy,abalkin/numpy,ViralLeadership/numpy,astrofrog/numpy,yiakwy/numpy,jorisvandenbossche/numpy,SiccarPoint/numpy,jorisvandenbossche/numpy,BabeNovelty/numpy,matthew-brett/numpy,jschueller/numpy,mindw/numpy,ogrisel/numpy,felipebetancur/numpy,dwillmer/numpy,groutr/numpy,MSeifert04/numpy,Anwesh43/numpy,ahaldane/numpy,joferkington/numpy,githubmlai/numpy,pelson/numpy,ewmoore/numpy,trankmichael/numpy,rhythmsosad/numpy,anntzer/numpy,mhvk/numpy,CMartelLML/numpy,joferkington/numpy,joferkington/numpy,pdebuyl/numpy,NextThought/pypy-numpy,rherault-insa/numpy,ajdawson/numpy,cowlicks/numpy,BMJHayward/numpy,ogrisel/numpy,yiakwy/numpy,drasmuss/numpy,has2k1/numpy,sigma-random/numpy,BabeNovelty/numpy,tdsmith/numpy,chiffa/numpy,kiwifb/numpy,SiccarPoint/numpy,sonnyhu/numpy,bmorris3/numpy,chiffa/numpy,solarjoe/numpy,rmcgibbo/numpy,anntzer/numpy,WillieMaddox/numpy,SunghanKim/numpy,mwiebe/numpy,njase/numpy,njase/numpy,NextThought/pypy-numpy,musically-ut/numpy,dwf/numpy,GrimDerp/numpy,ajdawson/numpy,felipebetancur/numpy,tynn/numpy,kirillzhuravlev/numpy,rudimeier/numpy,jschueller/numpy,dwillmer/numpy,pizzathief/numpy,bertrand-l/numpy,cowlicks/numpy,MSeifert04/numpy,sinhrks/numpy,kirillzhuravlev/numpy,joferkington/numpy,simongibbons/numpy,ddasilva/numpy,larsmans/numpy,Linkid/numpy,MichaelAquilina/numpy,GrimDerp/numpy,has2k1/numpy,ewmoore/numpy,Linkid/numpy,leifdenby/numpy,maniteja123/numpy,argriffing/numpy,sigma-random/numpy,grlee77/numpy,immerrr/numpy,jakirkham/numpy,ChanderG/numpy,bringingheavendown/numpy,mathdd/numpy,pyparallel/numpy,embray/numpy,hainm/numpy,rgommers/numpy,tdsmith/numpy,musically-ut/numpy,mortada/numpy,bmorris3/numpy,jorisvandenbossche/numpy,ssanderson/numpy,ahaldane/numpy,jonathanunderwood/numpy,ddasilva/numpy,moreati/numpy,madphysicist/numpy,has2k1/numpy,ContinuumIO/numpy,seberg/numpy,grlee77/numpy,mhvk/numpy,dato-code/numpy,ahaldane/numpy,skwbc/numpy,immerrr/numpy,matthew-brett/numpy,nbeaver/numpy,rudimeier/numpy,anntzer/numpy,githubmlai/numpy,astrofrog/numpy,trankmichael/numpy,felipebetancur/numpy,chatcannon/numpy,ESSS/numpy,seberg/numpy,rajathkumarmp/numpy,dch312/numpy,madphysicist/numpy,ekalosak/numpy,Anwesh43/numpy,moreati/numpy,rgommers/numpy,dato-code/numpy,Eric89GXL/numpy,WarrenWeckesser/numpy,jschueller/numpy,matthew-brett/numpy,BabeNovelty/numpy,stuarteberg/numpy,behzadnouri/numpy,tdsmith/numpy,GrimDerp/numpy,mathdd/numpy,skymanaditya1/numpy,rajathkumarmp/numpy,hainm/numpy,Eric89GXL/numpy,ChristopherHogan/numpy,empeeu/numpy,sinhrks/numpy,maniteja123/numpy,Yusa95/numpy,ajdawson/numpy,bringingheavendown/numpy,endolith/numpy,immerrr/numpy,dimasad/numpy,chatcannon/numpy,shoyer/numpy,WarrenWeckesser/numpy,embray/numpy,sonnyhu/numpy,utke1/numpy,BMJHayward/numpy,rhythmsosad/numpy,ViralLeadership/numpy,rhythmsosad/numpy,leifdenby/numpy,WarrenWeckesser/numpy,groutr/numpy,sonnyhu/numpy,simongibbons/numpy,cjermain/numpy,b-carter/numpy,larsmans/numpy,endolith/numpy,pelson/numpy,mhvk/numpy,kiwifb/numpy,b-carter/numpy,WillieMaddox/numpy,dwillmer/numpy,mindw/numpy,jakirkham/numpy,ogrisel/numpy,pdebuyl/numpy,pdebuyl/numpy,utke1/numpy,numpy/numpy,bringingheavendown/numpy,yiakwy/numpy,MaPePeR/numpy,astrofrog/numpy,pelson/numpy,sigma-random/numpy,dwf/numpy,tynn/numpy,MSeifert04/numpy,jankoslavic/numpy,ContinuumIO/numpy,pyparallel/numpy,WarrenWeckesser/numpy,musically-ut/numpy,MichaelAquilina/numpy,matthew-brett/numpy,jakirkham/numpy,mathdd/numpy,embray/numpy,ESSS/numpy,rhythmsosad/numpy,mindw/numpy,andsor/numpy,dimasad/numpy,mattip/numpy,ahaldane/numpy,ahaldane/numpy,madphysicist/numpy,pbrod/numpy,gfyoung/numpy,Linkid/numpy,mhvk/numpy,mwiebe/numpy,chiffa/numpy,Dapid/numpy,mingwpy/numpy,rgommers/numpy,ChristopherHogan/numpy,sinhrks/numpy,dwf/numpy,charris/numpy,ewmoore/numpy,ogrisel/numpy,kirillzhuravlev/numpy,numpy/numpy,stefanv/numpy,tynn/numpy,brandon-rhodes/numpy,BabeNovelty/numpy,rmcgibbo/numpy,CMartelLML/numpy,skymanaditya1/numpy,dch312/numpy,b-carter/numpy,ChanderG/numpy,ogrisel/numpy,dimasad/numpy,chatcannon/numpy,anntzer/numpy,hainm/numpy,GaZ3ll3/numpy,moreati/numpy,CMartelLML/numpy,MichaelAquilina/numpy,stuarteberg/numpy,nguyentu1602/numpy,Anwesh43/numpy,Yusa95/numpy,charris/numpy,grlee77/numpy,pizzathief/numpy,argriffing/numpy,bmorris3/numpy,seberg/numpy,mattip/numpy,mingwpy/numpy,nguyentu1602/numpy,MaPePeR/numpy,nguyentu1602/numpy,MaPePeR/numpy,pyparallel/numpy,ekalosak/numpy,mortada/numpy,ChanderG/numpy,SunghanKim/numpy,tacaswell/numpy,KaelChen/numpy,stefanv/numpy,jakirkham/numpy,Yusa95/numpy,mingwpy/numpy,jakirkham/numpy,NextThought/pypy-numpy,rmcgibbo/numpy,skwbc/numpy,mathdd/numpy,Linkid/numpy,maniteja123/numpy,MaPePeR/numpy,Srisai85/numpy,simongibbons/numpy,dwf/numpy,empeeu/numpy,AustereCuriosity/numpy,astrofrog/numpy,larsmans/numpy,dch312/numpy,pizzathief/numpy,KaelChen/numpy,KaelChen/numpy,AustereCuriosity/numpy,rajathkumarmp/numpy,sonnyhu/numpy,cjermain/numpy,gmcastil/numpy,ChristopherHogan/numpy,ekalosak/numpy,behzadnouri/numpy,astrofrog/numpy,charris/numpy,nbeaver/numpy,BMJHayward/numpy,gfyoung/numpy,andsor/numpy,dato-code/numpy,andsor/numpy