Added Object.keys() for the client-side
Added Object.keys() for the client-side

coderhaoxin/jade,derbyparty/derby-jade,derbyparty/derby-jade,VANITAX/jade,pugjs/pug,ceremcem/jade,VANITAX/jade,muthhus/jade,slang800/yade,modulexcite/jade,jadejs/then-jade,pugjs/jade,Shinchy/jade,jirengu/jade,timmfin/jade,hnag409/jade,angrilove/jade,martindale/jade,pugjs/then-jade,VeraWei/jade,ddopson/jade-coffeescript,bogus34/jade-vfs,ridixcr/jade,fredyteheranto/jade,angryrobot/jade,jirengu/jade,andreytkachenko/jade,ilovezy/jade,Laoujin/jade,pugjs/pug,pugjs/then-jade,harp/jade,pugjs/jade,Mitrend/jade,jadejs/then-jade,bogus34/jade-vfs,angryrobot/jade,gdibble/jade,magicdawn/jade,rajnishyadav321/jade,gexiaowei/jade,rajnishyadav321/jade,mumaoxi/jade,ridixcr/jade,fusesource/coffeejade,Victorgichohi/jade,tranhieutt/jade,cutsin/jade,coderhaoxin/jade,webskyer/jade,gexiaowei/jade,webmasteraxe/jade,angrilove/jade,mrotaru/jade,Shinchy/jade,andreytkachenko/jade,cgvarela/jade,cesarmarinhorj/jade,colin-h/jade,Mitrend/jade,jodytate/jade,gdibble/jade,ddopson/jade-coffeescript,illusionfield/jade,rauchg/jade,VeraWei/jade,wavii/jade,nyakto/jade-async,colin-h/jade,magicdawn/jade,nyakto/jade-async,flintinatux/jade,cutsin/jade,omixen/jade,jjz/jade,Victorgichohi/jade,hnag409/jade,mrotaru/jade,modulexcite/jade,illusionfield/jade,webskyer/jade,martindale/jade,jodytate/jade,jjz/jade,tranhieutt/jade,harp/jade,Laoujin/jade,mumaoxi/jade,cesarmarinhorj/jade,webmasteraxe/jade,muthhus/jade,ilovezy/jade,fredyteheranto/jade,omixen/jade,cgvarela/jade