Updates custom metaboxes plugin
Adds when inserting: Converts to lower case the multicheck options. Only inserts when value exists. Iterates through multiple value in multichecks inserts.
Lower cases some missing elements in multicheck option "members type".
Sets email of organization type to text_medium type
Adds to list_of_items function the description name for multicheck options
Adds functions to only display items in sigle waste picker group if items existm+changes add_action from init to wp
Adds new options to mulicheck questions in waste picker groups