clean implementation of _.omit; it can be even cleaner if we add _.not
clean implementation of _.omit; it can be even cleaner if we add _.not

ryanwholey/underscore,debutt/underscore,SeriaWei/underscore,zabefloyd/underscore,dfurtado/underscore,keepgoingwm/underscore,vinodbonala/underscore,Tim-Zhang/underscore,natac13/underscore,jpalomar/underscore,Gimcrack/underscore,polandeme/underscore,yekg880809/underscore,Tetpay/underscore,cnwhy/underscore,gougouGet/underscore,janocat/underscore,liminghui/underscore,huzion/underscore,AaronNGray/underscore-server,jiankers/underscore,Joanna913/underscore,PengShi-sp/underscore,vincent1988/underscore,platinumazure/underscore,dyx/underscore,kairyan/underscore,JonAbrams/underscore,akre54/underscore,dxuehu/underscore,veg/underscore,megawac/underscore,LiskHQ/underscore,documentcloud/underscore,ereddate/underscore,mdboop/underscore,jdelbello/underscore,ligson/underscore,huzion/underscore,npmcomponent/jashkenas-underscore,mairasala/underscore,singhsterabhi/underscore,Forever8/underscore,jashkenas/underscore,jordanwink201/underscore,jiankers/underscore,veg/underscore,beenlee/underscore,wxmfront/underscore,AaronNGray/underscore-server,imsingh/underscore,wjb12/underscore,yuhualingfeng/underscore,elancom/underscore,jonot/underscore,emiel187/underscore,natac13/underscore,Feiyang1/underscore,imsingh/underscore,akre54/underscore,Forever8/underscore,thisismygithub/underscore,ijidan/underscore,cintiamh/underscore,kuychaco/underscore,Tim-Zhang/underscore,tnga/underscore-es,ElseZhang/underscore,dkusch/underscore,jolthoff/underscore,keepgoingwm/underscore,kwangkim/underscore,Yangani/underscore,JoaquinSiabra/underscore,eaglesjava/underscore,jfarid27/underscore,elancom/underscore,yekg880809/underscore,rlugojr/underscore,ereddate/underscore,gougouGet/underscore,rlugojr/underscore,cgvarela/underscore,youprofit/underscore,WangRex/underscore,lucasfanning/underscore,liyandalmllml/underscore,RepmujNetsik/underscore,jonot/underscore,mjhasbach/underscore,janocat/underscore,snackshen/underscore,ElseZhang/underscore,mjhasbach/underscore,nickkneafsey/underscore,kuychaco/underscore,cnwhy/underscore,mitar/underscore,jridgewell/underscore,roychen-7/underscore,Yangani/underscore,appleboy/underscore,JonAbrams/underscore,Feiyang1/underscore,ThiagoGarciaAlves/underscore,lqjack/underscore,sdwang/underscore,premkumargithub/underscore,prosenjit-itobuz/underscore,jordanwink201/underscore,kwangkim/underscore,xiaoqiang730730/underscore,cailong1028/underscore,PUSEN/underscore,zhangguangyong/underscore,SeriaWei/underscore,jianganglu/underscore,Gimcrack/underscore,jashkenas/underscore,craigmichaelmartin/underscore,craigmichaelmartin/underscore,mitar/underscore,lis186/underscore,SerenoShen/underscore,wxmfront/underscore,mdboop/underscore,strongconjunctions/underscore,SerenoShen/underscore,bkillenit/underscore,prosenjit-itobuz/underscore,polandeme/underscore,thiswildorchid/underscore,liyandalmllml/underscore,oss6/underscore,WangRex/underscore,dyx/underscore,cgvarela/underscore,wjb12/underscore,Joanna913/underscore,eaglesjava/underscore,bkillenit/underscore,ThiagoGarciaAlves/underscore,beenlee/underscore,greyhwndz/underscore,falqas/underscore,colemakdvorak/underscore,JoaquinSiabra/underscore,LiskHQ/underscore,snackshen/underscore,aziz-boudi4/underscore,jolthoff/underscore,irr/underscore,lqjack/underscore,greyhwndz/underscore,vinodbonala/underscore,PengShi-sp/underscore,documentcloud/underscore,thiswildorchid/underscore,vincent1988/underscore,jridgewell/underscore,RepmujNetsik/underscore,PUSEN/underscore,paulfalgout/underscore,irr/underscore,dimitriwalters/underscore,jdelbello/underscore,lis186/underscore,emiel187/underscore,mairasala/underscore,debutt/underscore,premkumargithub/underscore,ryanwholey/underscore,zabefloyd/underscore,youprofit/underscore,ijidan/underscore,xiaoqiang730730/underscore,singhsterabhi/underscore,aziz-boudi4/underscore,oss6/underscore,thisismygithub/underscore,liminghui/underscore,huangnan1/2016gitStudy,nickkneafsey/underscore,colemakdvorak/underscore,zhangguangyong/underscore,ligson/underscore,tnga/underscore-es,roychen-7/underscore,lucasfanning/underscore,falqas/underscore,jpalomar/underscore,dkusch/underscore,yuhualingfeng/underscore,strongconjunctions/underscore,dxuehu/underscore,dfurtado/underscore,platinumazure/underscore,cintiamh/underscore,jianganglu/underscore,jfarid27/underscore,sdwang/underscore,huangnan1/2016gitStudy,braddunbar/underscore,kairyan/underscore