fix bug where "source" was required
fix bug where "source" was required

hjfreyer/pledgeservice,mdavid/pledgeservice,mdavid/pledgeservice,bev-a-tron/pledgeservice,bev-a-tron/pledgeservice,Lessig2016/pledgeservice,hjfreyer/pledgeservice,Lessig2016/pledgeservice,bev-a-tron/pledgeservice,Lessig2016/pledgeservice,mdavid/pledgeservice,hjfreyer/pledgeservice