Log Message:
Update to 0.29, closing PR pkg/21907. OK'd by wiz@ and seb@.

Add optional dependencies for SASL Authentification mechanisms.

Full ChangeLog at the top of the tarball, here's an extract:

Release 0.29
	Work-a-round a bug in IO::Socket::SSL where it leaves the socket
	 blessed into IO::Socket::SSL when socket_to_SSL fails
	Fix reference loop problem by hiding the real object behind a tied
	 hash and only using the inner hash internally and the outer hash
	 externally
	Extended ldap_error_name, ldap_error_text and ldap_error_desc to take Message args
	Added error_name, error_text and error_desc methods
Release 0.28
	Fix url host extraction
	Fix bug in URL parsing when the host contains a port.
	Change root_dse to return a RootDSE object instead of an Entry
	Add support for URIs to be passed to ->new. ldap: ldaps: and ldapi:
	 are supported.
	Change Net::LDAPS and Net::LDAPI to be very thin wrappers over new URI code
	Support "Notice of Disconnection"
	Added LDAP Extensions section
	Call the callback, if any, for a message when its
	 error is explicitly set
	Check result of client_step is defined or cause SASL auth to terminate
	Check client_start return value
	changes now returns an empty array if there were no changes.
	Added ->disconnect to do explicit disconnects from the server
	Better handling on IO errors
	Return schema parse errors
	Fix VLV response extraction. Patch from Paul Connolly
	Added information about perl-ldap installation in ActiveState Perl.
	Changed Messaging Direct to Isode.
	Added some information about the ResourcePool perl module.
	Replaced XML::Parse with XML::SAX.
	Change XML::Parser to XML::SAX::Base
	Changed decryptkey to keydecrypt for consistency
	Fixed clone(): update $clone->{changetype} and $clone->{changes}.
	Added the ablitiy to modify entry information by reading a ldif file. This
	 requires the patch that I submitted for LDAP.pm.
	Added clone() function to copy an Entry object.