Added schema member. Important fix in list_extends().
Added schema member. Important fix in list_extends().

piotras/midgard-core,midgardproject/midgard-core,piotras/midgard-core,piotras/midgard-core,piotras/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core