fixed nil exception in case of an unknown column in params added hook after_render_field
fixed nil exception in case of an unknown column in params
added hook after_render_field

budree/active_scaffold,budree/active_scaffold,activescaffold/active_scaffold,activescaffold/active_scaffold,AlbertoBarrago/active_scaffold,AlbertoBarrago/active_scaffold,budree/active_scaffold,mallikarjunayaddala/active_scaffold,activescaffold/active_scaffold,mallikarjunayaddala/active_scaffold,AlbertoBarrago/active_scaffold,mallikarjunayaddala/active_scaffold