~samwhited/xmpp

ref: 52be89df867be9fc4e8ba83b0c3880887a6485ba xmpp/compress d---------
Make NS autocompletion easier in compression
compress: Fix feature to use an io.ReadWriter
s/Raw/Conn/
Add Session API and remove Conn
Don't export error in compression package
Add a stream compression feature

Fixes #10