Work around filtering by date range at edges
Work around filtering by date range at edges

This is a dumb workaround because it still won't work if users put in the right
(or rather, the wrong) values. But it will keep us going so far.

Long term issue on github:
https://github.com/e-mission/e-mission-server/issues/274

sunil07t/e-mission-server,yw374cornell/e-mission-server,shankari/e-mission-server,yw374cornell/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,sunil07t/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server,yw374cornell/e-mission-server,e-mission/e-mission-server,sunil07t/e-mission-server,sunil07t/e-mission-server,shankari/e-mission-server,yw374cornell/e-mission-server