Update readme with newer Python requirements - wxPhoenix is built against Python 3.3 now, so changed the requirement to 3.3
Adjust .gitignore to allow the /bin folder, where .dll's and such will be placed.
Update shebang line with new Python 3.3 requirement
Update VerifyRequirements:
- New Python requirements and links
- Correct method for checking pywin32 version, that works on both 32-bit and 64-bit builds