Fixed toString Issue
Fixed toString Issue

Added checks surrounding the response to make sure we get the data requested, if there is no data
but the response is ok, then we assume no data has been set and use the default value of 0

mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid