auto registrate hooks

[icreator]

in install:

		foreach (get_class_methods($this) as $hook ) {
			if ( strncasecmp($hook,'hook', 4) || !strncasecmp($hook,'hookExec', 8)) continue;
			if (!$this->registerHook(substr($hook,4))) return;
		}

in uninstall:

		foreach (get_class_methods($this) as $hook ) {
			if ( strncasecmp($hook,'hook', 4) || !strncasecmp($hook,'hookExec', 8)) continue;
			$this->unregisterHook(substr($hook,4));
		}