public function CacheLevel($value = null)
	{
		if ($value != null) $this->_cacheLevel = $value;
		return $this->_cacheLevel;
	}
public function CacheLevel($value = null)
	{
		if ($value != null) $this->_cacheLevel = $value;
		return $this->_cacheLevel;
	}
public function CacheLevel ( $ value = null ) { if ( $ value != null ) $ this -> _cacheLevel = $ value ; return $ this -> _cacheLevel ; }
Returns 0 if this was loaded from the DB, 1 if from 1st level cache and 2 if 2nd level cache
@access     public
@param      bool (optional) if provided will change the value
@return     bool
Returns 0 if this was loaded from the DB 1 if from 1st level cache and 2 if 2nd level cache