LDAP attribute names are case-insensitive, and PHP's LDAP library converts all replies to lower case. Catch that!
Allow more than one e-mail address in attr_mail result attribute.

Thinking of mailLocalAddress in inetLocalMailRecipient.
Typo, how did this go through testing?
Actually use more than the first address.
Merge pull request #5 from Natureshadow/master

Casting LDAP attributes to lower case