Update authentication for public release of gsasl 0.3.
Quick-n-dirty conversion to version 0.3 of the GNU SASL bindings.
Implement converting stanzas to/from XML trees
Cleaned up the 'Component' module
Cleaned up the Client module, which opens streams in the jabber:client namespace.
Add some missing internal modules
Clean up a few internal modules, provide a smaller external interface to streams.
Updated copyright date in JID.hs
Use multiple stanza data types, with a common class.
Started major refactoring effort, starting with proper stringprep support in JID.
Add missing dependencies to the .cabal file.
Connection: class for getTree/putTree
Derive Stanza from Show and Eq.
Handle all stanza types in a single data type.
Ignore unexpected but legal SAX events, such as comments and processing instructions.
Added stanza functions for converting XML trees into generic stanzas, messages, and presence notifications.