* Win32: Initial merge

* Win32: Finish merging Win32.

* Win32: Merge finally done.

* Win32: Update includes

* Win32: Fix build

* Win32: Define WINVER level.

* Win32: Define WINVER level again.

* Win32: GHC compat support.

* Merge: Finally rebased.

* Merge: Added GHC compat.

* Merge: Add compat with layered window.

* Merge: Compat with AnimateWindow

* Merge: Compat with Input

* Merge: Missing structs.

* Merge: remove attribute

* Merge: include header more places.

* Merge: fix remaining issues.

* More compat changes for mouse.

* Merge: Missing mouse defines.

* Merge: So random..

* Merge: such a big mess..

* Merge: such a big mess..

* Merge: such a big mess..