Log Message:
Update to 0.8.23
Add LICENSE

Upstream changes:
Version 0.8.21
	- fixed the case in the header names (Content-type -> Content-Type)
	- fixed the encoding of non-ascii stuff in headers (RFC 2047)
	- fixed using the ctype even for body with MailFile

Version 0.8.23
	- fixed problems with long subjects containing accentuated characters
	- fixed problems with IO::Socket::SSL
	- trims addresses passed in an array (per request)
	- changed licence per request from Fedora
	- fix to allow very long passwords
	- fix error in TestServer()