Update to work with network 3.0

0.4.9

Purge OverloadedStrings

Not compatible with 3.0 network package

Add Internal module

Less warnings, use Haskell2010

Prepare for switching maintainer

Remove call to TLS.setPriorities, because the underlying libgnutls
function has been removed in recent upstream releases.

TLS connections seem to work fine without this call (tested with
talk.google.com), so I don't know if it was ever even needed.

Bump version to 0.4.8.

Bump version to 0.4.7.

 Remove maximum dependency version on text.

Bump version to 0.4.6.

Update source repository locations. Bump version to 0.4.5.

Bump version to 0.4.4.

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.

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

Clean up Cabal file.

Bump package version to 0.4.1.

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

Version 0.3.3

Update homepage and repository URLs.