Method debug

src/main/java/com/mxgraph/online/AbsCache.java:465–471

@see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)

(String msg)

	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void debug(String msg)
	{
		if (debugOutput)
		{
			System.out.println("[CacheServlet] " + new Date().toString() + ": " + msg);
		}
	}

	/**
	 * Cache entry definition.