Use sleep_on to wait on debug events.

Fixes some bugs in buffers handling and index for MAPPER.

CallDriverCallback.

Decorrelate the service thread resolution from the user required timer
& visible minimum resolutions.
Removed the Callback.TimeFuncProc entry.

Implemented WM_SIZE message support. Optimized drawing to use
precalculated size values rather than recalculating during each call
of MONTHCAL_Refresh.

SIF_DISABLENOSCROLL flag.

generated code.

- better argument parsing
- last xargv entry has to be NULL
- return value is environment pointer instead of NULL
- added a spec entry for bsearch()

Fixed busy waiting on POLLERR events.
Merged struct client into struct thread.

Output list of function names in sorted order.
Added support for nameless (ordinal-only) entry points.
Cleaned up error handling.

Map a few Unicode chars to the first 0xff in psdrv.
Don't expect x11drv to display Unicode chars yet.

Replaced some calls to debugstr_{a,w} by debugstr_{a,w}n.
Removed redundant 'L's for Unicode strings.
Tried to harmonize the traces a little bit.