public function message( $message ){
		$trace	= debug_backtrace();
		$caller = next( $trace );
		$message .= ', invoked in '.$caller['file'].' on line '.$caller['line'];
		if( $this->exceptionVersion )
			if( version_compare( $this->version, $this->exceptionVersion ) >= 0 )
				throw new Exception( 'Deprecated: '.$message );
		if( version_compare( $this->version, $this->errorVersion ) >= 0 ){
			self::notify( $message );
		}
	}