- Fix issue basil00#18 that causes a BSOD when a NULL pointer is pass…

…ed as an

  address parameter to either WinDivertRecv or WinDivertSend.
- Use better NT_STATUS codes for some errors.
- Bump the version number to WinDivert 1.1.4

- Update copyright year.

- Use exact version number in driver binary.

- Refactor driver unload functions.

- Packet direction fix for netfilter example.
- Bump version to 1.1.2-rc.

- Fix build type glitch for x86.

- Increase the maximum filter length to 128.