internal userlist (Users instance) starts here
don't use dc.nicklist
adapt show_joins to Users.add()/remove()
slangdc: NickList --> UserList (disambiguation)
DCClient: workaround for msgnick=True, userlist = False, and large amount of $MyINFO messages
cleanup, rearrangement, tiny fixes
statusbar (usercount only)
hubname, hubtopic in statusbar
DCClient.connect() 'supports' argument
ooops, DCClient.connect(supports=False) quick fix
userlist hell
userlist fixes