Added test for 4D histogramdd case. Ticket 690.
Added test for 4D histogramdd case. Ticket 690.

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