errors with missing arguments

[Robin Edwards]

(venv)rob@braeburn:~/dev/foo ~master*$ g feature
Traceback (most recent call last):
File "/Users/rob/.pythonbrew/pythons/Python-2.7.2/bin/git-feature", line 7, in
execfile(file)
File "/Users/rob/dev/gitfeatures/scripts/git-feature", line 6, in
gitfeatures.run('feature', sys.argv[1:])
File "/Users/rob/dev/gitfeatures/gitfeatures/core.py", line 77, in run
if args[0].lower() == 'new':
IndexError: list index out of range

[Robin Edwards]

fixed on master