#283 Fix bug that deletes all options in a select field instead of just one
#281 Fix preg_replace warning when parsing tags containing a slash
#280 Fix fatal error when rendering _user field
#290 Make quicksearch field appear even when a filter is forced
#285 Remove Nanogong field
#286 Fix warnings when adding URL fields
#292 Fix option renaming functionality
#293 Fix option deleting functionality