GCI Commits for different tasks

"implemented mulitsheet xls export" was for my previous task (which is completed)- https://www.google-melange.com/gci/task/view/google/gci2014/5772250456260608

"Bulk Representation for project_beneficary" is for my current task - https://www.google-melange.com/gci/task/view/google/gci2014/5322710255140864 , Which needs to be reviewed.
Bad Syntax. place self.fields at the end of the params list