print errors to stderr
Fixing test_inits_and_pushes
Set arg max to 4096
Fixed bug. git-ftp hangs if there is a file named '-'. Closes #200.

There seems to be a git bug too, at least in version 1.7.9.5. But seem to be fixed in 1.8.1.1.
Merge branch 'develop' of github.com:resmo/git-ftp into develop