Fix bug: NEXT/PREVIOUS table field ordering incorrect.
Fix bugs: 1) typo in get_string() parameter. 2) wrong function name.
Fix bug: module name link incorrect. Also improve help message.
Fix bug: enhanced_choice_get_post_actions() should be enhancedchoice_get_post_actions().
Fix bug: prepare_choice_show_results() should be named prepare_enhancedchoice_show_results().