Resolves issue #127 - python3 safe stdout handling
Resolves issue #127 - python3 safe stdout handling

* modifies `sync.py`
  - makes `iter` sentinel a regular `str` instead of a `bytes`
  - removes the call to `str.decode` which is invalid on python3

graphite-project/carbonate,jssjr/carbonate,jssjr/carbonate,graphite-project/carbonate,graphite-project/carbonate,jssjr/carbonate