Transition most remaining text storage to lazy 'Text'.

Small tweak for first public version of GNU TLS bindings.

Better error handling for unexpected EOF in 'hGetChar'.

Use lazy instead of strict bytestrings.

Migrate 'Handle' to a more modern TLS binding.

Add error handling hooks to 'Handle' computation signatures, to simplify the migration to a better GNU TLS binding.

Fix a few stylistic issues found by HLint.

Merged public API into a single exposed module, 'Network.Protocol.XMPP'.

Add some missing internal modules