code: public static PreparedStatement close(PreparedStatement stmt, Logger logExceptionTo)
  	{
  		return close(stmt, logExceptionTo, null);
  	}
docs: Handle closing a prepared statment. Calls
  {@link #close(PreparedStatement,Logger,Object)} with null for
  the name.
  @param stmt The statement to close.
  @param logExceptionTo The log to log any {@link SQLException}
  to. If this is null, the logger for the DbCloser class
  will be used.