Add lookfor function from ticket #734
Add lookfor function from ticket #734

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