- Lots of cleanups, and simplifications.

implementation.

then ours again.

instead of using void*, and removed a number of type casts.

- Unify text attribute selection between Draw{Sub,}Item.
- Usual cleanups, and simplifications.

for managing linked lists.

Minor cleanups.

RemoveWindowSubclass.

- A lot faster drawing in report mode.
- A great deal of cleanup, and simplifications.

- Added tests for GDI and USER.

- Fix handling of new image lists.
- Small cleanups.

- Drawing optimizations when adding/removing columns.
- More cleanups, and simplifications.

Stewart).

- Minor bug fixes.

need them.

- Added a data structure packing test to winapi_test.
- Reorganized and optimized a few things.