gpg: Don't crash if python-gnupg cannot find the gnupg binary.
gpg: Don't crash if python-gnupg cannot find the gnupg binary.

Reported traceback:
  File D:python27libsite-packagessupybotgpg.py, line 45, in <module>
    gnupg.GPG(gnupghome=None)
  File D:python27libsite-packagesgnupg.py, line 680, in __init__
    p = self._open_subprocess([--version])
  File D:python27libsite-packagesgnupg.py, line 726, in _open_subprocess
    return Popen(cmd, shell=False, stdin=PIPE, stdout=PIPE, stderr=PIPE)
  File D:python27libsubprocess.py, line 710, in __init__
    errread, errwrite)
  File D:python27libsubprocess.py, line 958, in _execute_child
    startupinfo)
WindowsError: [Error 2] The system cannot find the file specified

Ban3/Limnoria,Ban3/Limnoria,ProgVal/Limnoria-test,ProgVal/Limnoria-test