add safe_dict to equation form
add safe_dict to equation form

django-rea/nrp,valnet/valuenetwork,thierrymarianne/valuenetwork,FreedomCoop/valuenetwork,django-rea/nrp,valnet/valuenetwork,simontegg/valuenetwork,simontegg/valuenetwork,thierrymarianne/valuenetwork,thierrymarianne/valuenetwork,simontegg/valuenetwork,thierrymarianne/valuenetwork,django-rea/nrp,valnet/valuenetwork,FreedomCoop/valuenetwork,simontegg/valuenetwork,FreedomCoop/valuenetwork,FreedomCoop/valuenetwork,valnet/valuenetwork,django-rea/nrp