add fulcrm_collections as well

fulcrm_collection.module

@@ -65,7 +65,10 @@ function fulcrm_collection_form_values_to_d( $prefix, $values ) {
     foreach ( $values as $k => $v ) {
         $bits = explode( '/fulcrm/', $k );
         if ( ( count( $bits ) === 2 ) && ( $bits[ 0 ] === $prefix ) ) {
-            fulcrm_collection_set_d_value( $d, $bits[ 1 ], $v );
+            if ( $bits[ 1 ] === 'fulcrm_collections' )
+                fulcrm_collection_set_d_value( $d, $bits[ 1 ], array( $v ) );
+            else
+                fulcrm_collection_set_d_value( $d, $bits[ 1 ], $v );
         }
     }
 
@@ -110,5 +113,9 @@ function fulcrm_collection_to_form( $prefix, $collection_data, $d = array() ) {
         }
     }
 
+    $form[ $prefix . '/fulcrm/fulcrm_collections' ] = array( '#type' => 'hidden',
+                                                             '#default_value' => $collection_data[ 's' ],
+                                                             );
+
     return $form;
 }