Merge pull request WebDevStudios#28 from randyhoyt/master

Enabling custom field types

init.php

@@ -289,7 +289,8 @@ function show() {
 						}
 					echo '</div>'; 
 				break;
-
+				default:
+					do_action('cmb_render_' . $field['type'] , $field, $meta);
 			}
 
 			echo '</td>','</tr>';
@@ -343,6 +344,8 @@ function save( $post_id)  {
 				$new = strtotime( $new );
 			}
 
+			$new = apply_filters('cmb_validate_' . $field['type'], $new, $post_id, $field);			
+
 			// validate meta value
 			if ( isset( $field['validate_func']) ) {
 				$ok = call_user_func( array( 'cmb_Meta_Box_Validate', $field['validate_func']), $new );