Add `isLength` helper.
Add `isLength` helper.

therebelbeta/lodash,ror/lodash,studiowangfei/lodash,naoina/lodash,jshanson7/lodash,BernhardRode/lodash,studiowangfei/lodash,Moykn/lodash,MaxPRafferty/lodash,hitesh97/lodash,samuelbeek/lodash,xiwc/lodash,hafeez-syed/lodash,AneesMohammed/lodash,AndBicScadMedia/lodash,stewx/lodash,steelsojka/lodash,imjerrybao/lodash,timruffles/lodash,ajefremovs/lodash,phillipalexander/lodash,codydaig/lodash,naoina/lodash,IveWong/lodash,joshuaprior/lodash,AndBicScadMedia/lodash,AndBicScadMedia/lodash,therebelbeta/lodash,jasnell/lodash,tquetano-r7/lodash,nbellowe/lodash,gutenye/lodash,lzheng571/lodash,PhiLhoSoft/lodash,neouser99/lodash,developer-prosenjit/lodash,krahman/lodash,justintung/lodash,Andrey-Pavlov/lodash,krahman/lodash,rlugojr/lodash,huyinghuan/lodash,nbellowe/lodash,rtorr/lodash,nbellowe/lodash,chrootsu/lodash,enng0227/lodash,javiosyc/lodash,krrg/lodash,felixshu/lodash,beaugunderson/lodash,jasnell/lodash,gutenye/lodash,dgoncalves1/lodash,Xotic750/lodash,huyinghuan/lodash,steelsojka/lodash,r14r-work/fork_javascript_lodash,naoina/lodash,enng0227/lodash,mshoaibraja/lodash,benweet/lodash,Moykn/lodash,ricardohbin/lodash,youprofit/lodash,chrootsu/lodash,jasnell/lodash,lekoaf/lodash,andersonaguiar/lodash,woldie/lodash,enng0227/lodash,nsamarcos/lodash,julianocomg/lodash,tquetano-r7/lodash,javiosyc/lodash,jacwright/lodash,Droogans/lodash,beaugunderson/lodash,mshoaibraja/lodash,lzheng571/lodash,reggi/lodash,imjerrybao/lodash,samuelbeek/lodash,woldie/lodash,jzning-martian/lodash,phillipalexander/lodash,schnerd/lodash,joshuaprior/lodash,Lottid/lodash,ajefremovs/lodash,samuelbeek/lodash,MaxPRafferty/lodash,ricardohbin/lodash,leolin1229/lodash,hitesh97/lodash,PhiLhoSoft/lodash,msmorgan/lodash,Jaspersoft/lodash,xiwc/lodash,dgoncalves1/lodash,tejokumar/lodash,af7/lodash,greyhwndz/lodash,IveWong/lodash,prawnsalad/lodash,transGLUKator/lodash,gdi2290/lodash,andersonaguiar/lodash,tquetano-r7/lodash,greyhwndz/lodash,IveWong/lodash,developer-prosenjit/lodash,Jaspersoft/lodash,huyinghuan/lodash,tonyonodi/lodash,benweet/lodash,nsamarcos/lodash,Lottid/lodash,zhangguangyong/lodash,woldie/lodash,jzning-martian/lodash,jshanson7/lodash,stewx/lodash,felixshu/lodash,mjosh954/lodash,timruffles/lodash,rlugojr/lodash,prawnsalad/lodash,zestia/lodash,krrg/lodash,felixshu/lodash,tonyonodi/lodash,schnerd/lodash,r14r/fork_javascript_lodash,krrg/lodash,r14r/fork_javascript_lodash,xiwc/lodash,rtorr/lodash,lekoaf/lodash,lekkas/lodash,hitesh97/lodash,leolin1229/lodash,zestia/lodash,tejokumar/lodash,zestia/lodash,polarbird/lodash,Xotic750/lodash,neouser99/lodash,bnicart/lodash,reggi/lodash,xixilive/lodash,javiosyc/lodash,joshuaprior/lodash,mshoaibraja/lodash,Droogans/lodash,lekkas/lodash,ajefremovs/lodash,r14r/fork_javascript_lodash,justintung/lodash,timruffles/lodash,BernhardRode/lodash,jacwright/lodash,bnicart/lodash,jacwright/lodash,tgriesser/lodash,Jaspersoft/lodash,r14r-work/fork_javascript_lodash,ror/lodash,phillipalexander/lodash,chrootsu/lodash,leolin1229/lodash,boneskull/lodash,youprofit/lodash,bnicart/lodash,zhangguangyong/lodash,gdi2290/lodash,julianocomg/lodash,Lottid/lodash,reggi/lodash,lzheng571/lodash,nsamarcos/lodash,Moykn/lodash,neouser99/lodash,Andrey-Pavlov/lodash,tgriesser/lodash,youprofit/lodash,prawnsalad/lodash,jshanson7/lodash,hafeez-syed/lodash,shwaydogg/lodash,krahman/lodash,codydaig/lodash,msmorgan/lodash,mjosh954/lodash,MaxPRafferty/lodash,transGLUKator/lodash,imjerrybao/lodash,hafeez-syed/lodash,greyhwndz/lodash,Andrey-Pavlov/lodash,lekoaf/lodash,lekkas/lodash,polarbird/lodash,AneesMohammed/lodash,schnerd/lodash,developer-prosenjit/lodash,xixilive/lodash,zhangguangyong/lodash,therebelbeta/lodash,benweet/lodash,mjosh954/lodash,codydaig/lodash,shwaydogg/lodash,polarbird/lodash,r14r-work/fork_javascript_lodash,julianocomg/lodash,stewx/lodash,af7/lodash,BernhardRode/lodash,studiowangfei/lodash,boneskull/lodash,jzning-martian/lodash,Droogans/lodash,justintung/lodash,rtorr/lodash,shwaydogg/lodash,ricardohbin/lodash,transGLUKator/lodash,tgriesser/lodash,tejokumar/lodash,dgoncalves1/lodash,xixilive/lodash,Xotic750/lodash,ror/lodash,PhiLhoSoft/lodash,andersonaguiar/lodash,gutenye/lodash,af7/lodash,AneesMohammed/lodash