#137, #178. Changed drupalgap_attributes() to not output empty attributes. Changed _drupalgap_form_render_element() to make the call to hook_field_widget_form() when it is iterating over the items. Changed _drupalgap_form_render_element_item() to attach a default value to the variables before they are sent to the theme() layer. Changed drupalgap_field_info_instances_add_to_form() to iterate over each item in the field. Changed text_field_widget_form() to set the type on the items collection, since we no longer need to modify the form element items here, neat-o.