Updated ting_visual_relation_get_search_result. Switched parameter order and the search_engine is now optional. Default to ting_search if nothing is supplied.
Added extra check to see if specified search engine exits before makin request in ting_visual_relation_get_search_result
Corrected comment in ting_visual_relation_get_search_result
Removed page arguments from menu-items in hook_menu implementation as they were not needed and were causing problems.
Added extra check to ting_visual_relation_get_availability.
Added validation check of the specified search engine in ting_visual_relation_get_search_result-