check_if_table_exists   Check if a database table exists.
close_connection        close_connection helper function
combine_stats           Combine aggregated statistics.
db_connection           db_connection helper function
get_config_env          get_config_env helper function
get_db_systems          Quickly get all currently implemented database
                        systems
get_default_config_elements
                        Get default element names (suffixes) for env
                        reading
query_database          query_database helper function
xml_2_json              Quickly transform a xml objet into a json
                        object.
