Bdist wininst fixes for Python 2.x

Trying to build an installer for verifying if the new version set in #179 did show up, I was greeted by an Unicode error:
```
...
  File "c:\Dev\Python273\lib\distutils\command\bdist_wininst.py", line 259, in create_exe
    cfgdata = self.get_inidata()
  File "c:\Dev\Python273\lib\distutils\command\bdist_wininst.py", line 227, in get_inidata
    (string.capitalize(name), escape(data)))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 28: ordinal not in range(128)
```

While fixing that, I realize I broke setup.py for Py3k...
The final result seems to work fine with 2.6.5, 2.7.3 and 3.2.2.