zope: fixed fill_form custom types.
zope: fixed fill_form custom types.

gjvis/splinter,bmcculley/splinter,lrowe/splinter,lrowe/splinter,nikolas/splinter,underdogio/splinter,objarni/splinter,bmcculley/splinter,cobrateam/splinter,underdogio/splinter,myself659/splinter,cobrateam/splinter,underdogio/splinter,cobrateam/splinter,gjvis/splinter,objarni/splinter,drptbl/splinter,objarni/splinter,myself659/splinter,drptbl/splinter,nikolas/splinter,bmcculley/splinter,lrowe/splinter,gjvis/splinter,myself659/splinter,nikolas/splinter,drptbl/splinter