Add 'sessionIsSecure' function, so users can check whether the current
session is running over a secure channel.

Require haskell-gnutls >= 0.1.4, because earlier versions crash when
credentials are used as they are in XMPP/Client/Handle.hs .

Remove maximum dependency versions for bytestring and network.

Bump version to 0.4.3.

Support authentication schemes that require post-success validation.

Fixes authentication failures with the SCRAM-SHA1 mechanism, reported
by Gergely Risko.

Fix build of example/echo.hs.

Minor cleanups. Remove maximum version of "transformers" dependency.

Clean up Cabal file.

Bump package version to 0.4.1.

Fix build in GHC 7.4.1.

Reduce use of the ($) operator.

Replace SaxEvent with plain Event

Use strict text and bytestrings for everything.

Use the IsString instance of Name.

Misc stylistic cleanups

Quick-n-dirty port to updated xml-types and libxml-sax.

Version 0.3.3

Update homepage and repository URLs.

Require gnuidn-0.2

In the "echo" example, 1) don't respond to error messages and 2) allow
subscriptions.

Remove -fno-warn-unused-do-bind from GHC options, and fix resulting warnings.