Cannot use SauceTestCase under Python 3

[Ling]

Module 'new' was removed in Python 3 (deprecated since 2.6) and replaced with types.

python3 -m appium.saucetestcase
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/runpy.py", line 170, in _run_module_as_main
"main", mod_spec)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/appium/saucetestcase.py", line 18, in
import new
ImportError: No module named 'new'

[imurchie]

Fixed by #113