Reduced time spent with crit sect locked.

obtrusive.

- Correct cases where ShowWindow is done/not done.

Implemented TME_QUERY and TME_HOVER flags in _TrackMouseEvent and
TrackMouseEventProc.  Added code to allow addition/cancelation of
tracking flags on existing entries rather than create extra entries.
Fixed timer.  Added check to _TrackMouseEvent to stop timer if the
tracking list is empty.  Fixed TME_CANCEL.  Fixed TME_LEAVE/TME_HOVER
when hwndTrack isn't the current hwnd.

Added support for memory mapping of 4k aligned PE binaries.  This can
speed up load times significantly for some applications.

New: PathStripPath, PathMakeUniqueName, PathStripToRoot,
PathGetShortPath, PathParseIconLocation, PathRemoveExtension,
PathRemoveArgs, PathAppend, PathBuildRoot, PathCanonicalize,
PathFindNextComponent, PathRemoveFileSpec.

Moved dialog related functions to dialogs.c

Many corrections, exported some functions by name.

Use GetModuleHandleA instead of LoadLibrary for dlls imported by
the spec file.

- Output text in header control when no other Flag specified
- Delay bounding rectangle calculation for header control items

Added TrackMouseEvent calls to TOOLBAR_MouseMove.  Hot buttons now
look/behave almost exactly the same as native windows.

SPI_GETMOUSEHOVERTIME to SystemParametersInfo16().

stopbits: the most common uarts will generate this automatically when
there are 5 databits.