Fixed 'where' attribute for group() method.
Fixed 'where' attribute for group() method.
teleright/api,behzadsh/api,lucasmichot/api,thaonx/dingo-api,rlacerda83/api,dingo/api,thilanga/api,laravie/api,thaonx1990/dingo-api,JustinLien/api