resolve/refinerycms — pull request #1289 by robyurkowski (2012-02-07 20:17:28+00:00)
Title: Removes to_sym mapping since params is a HashWithIndifferentAccess and concatenates it with initial condition.

See https://github.com/resolve/refinerycms/commit/f734be1b37e93046a2e8447fde2069e9c7a7df87#commitcomment-941993 for more details.