Fix Windows TypeError

[NathanUrwin]

Traceback (most recent call last):
  File "c:\users\user\appdata\local\temp\tmp3fjavw.py", line 138, in <module>
    main()
  File "c:\users\user\appdata\local\temp\tmp3fjavw.py", line 133, in main
    setup_git_repo()
  File "c:\users\user\appdata\local\temp\tmp3fjavw.py", line 125, in setup_git_repo
    create_remote_repo()
  File "c:\users\user\appdata\local\temp\tmp3fjavw.py", line 97, in create_remote_repo
    getpass.getpass(prompt).strip())
  File "c:\python27\lib\getpass.py", line 95, in win_getpass
    msvcrt.putch(c)
TypeError: putch() argument 1 must be char, not unicode