wireproto: use decorator for the getbundle command

wireproto: use decorator for the debugwireargs command

wireproto: use decorator for the changegroupsubset command

wireproto: use decorator for the changegroup command

wireproto: use decorator for the capabilities command

wireproto: use decorator for the branches command

wireproto: use decorator for the branchmap command

wireproto: use decorator for the between command

wireproto: use decorator for the batch command

wireproto: add decorator for wire protocol command Move move in the same direction we took for command line commands. each wire protocol function will be decorated with its name and arguments. Beside beside easier to read, this open the road to easily adding more metadata (like security level or return type)