public function writeDebugLog() {
		//	Only write the debug log if logging is enabled
		if ($this->_writeDebugLog) {
			$message = implode(func_get_args());
			$cellReference = implode(' -> ', $this->_cellStack->showStack());
			if ($this->_echoDebugLog) {
				echo $cellReference, 
					($this->_cellStack->count() > 0 ? ' => ' : ''), 
					$message, 
					PHP_EOL;
			}
			$this->_debugLog[] = $cellReference . 
				($this->_cellStack->count() > 0 ? ' => ' : '') . 
				$message;
		}
	}