Bumping version to v0.3.7a for development.
Bumping version to v0.3.7a for development.

yuhualingfeng/grunt,JaKXz/grunt,goodeggs/grunt,thejameskyle/grunt,vladikoff/grunt,imjerrybao/grunt,lkiarest/grunt,youmyyou/grunt,q310550690/grunt,modulexcite/grunt,thecc4re/gruntjs,ThiagoGarciaAlves/grunt,Chhunlong/grunt,arosa81/grunt,r14r/fork_grunt_master,fscherwi/grunt,yonglehou/grunt,r14r-work/fork_grunt_master,FeodorFitsner/grunt,eelve/grunt,felixgrey/grunt,paladox/grunt,vojtajina/grunt,abraheem/grunt,yosiazwan/grunt,coldrye-collaboration/grunt,zackexplosion/grunt,IveWong/grunt,rwaldron/grunt,shama/grunt,paulcbetts/grunt,pandeysoni/grunt