changed relation saved prop name.

std/neko/db/Manager.hx

@@ -404,7 +404,7 @@ class Manager<T : Object> {
 	function initRelation(r : { prop : String, key : String, manager : Manager<Object> } ) {
 		// setup getter/setter
 		var manager = r.manager;
-		var hprop = r.prop;
+		var hprop = "__"+r.prop;
 		var hkey = r.key;
 		if( manager.table_keys.length != 1 ) throw ("Relation "+r.prop+"("+r.key+") on a multiple key table");
 		Reflect.setField(class_proto.prototype,"get_"+r.prop,function() {