use pre-calculated parentClasses setting
use pre-calculated parentClasses setting

- improves performance as it doesn't load that many classes
- hopefully also fixes segfault issue with php 5.2.14

nsams/koala-framework,yacon/koala-framework,nsams/koala-framework,yacon/koala-framework,koala-framework/koala-framework,nsams/koala-framework,koala-framework/koala-framework,kaufmo/koala-framework,yacon/koala-framework,kaufmo/koala-framework,kaufmo/koala-framework