0.002     2011-01-05 03:06:15 Europe/London
	Remove 5.10-specific constructs (mostly replacing // with exists).
	Abstract untagged mailbox info sending to a separate method to reduce code repetition.
	Return number of expected characters from on_single_line so that subclasses can use this information to switch to multi-line mode.

0.001     2010-12-29 02:31:57 Europe/London
	Initial release to CPAN.