- added support of DEPTH_FILL for Blits
- added some flags in GetCaps to get some games working

Return NULL from OpenThreadToken.

Create xterm even if stdin is not a terminalhandle.
SetConsoleCursorPosition: Only make complex console on row change,
ignore interline positioning (so the cygwin cmdline tools do not
create xterms unnecessary)

- One message queue for every thread needing it.
- Messages in the message queue are now stored in a linked list
- Messages are allocated in the system heap.
- Messages in the message queue are 32 bits (MSG32).
- All read/write operations regarding messages in the message queue are
  thread safe.

#if defined(linux) || defined(__FreeBSD__) || defined(__NetBSD__)
comes out false.  I moved the conditionals around so that
the file would at least compile.  Not sure if it does the
right thing on non-linux/FreeBSD/NetBSD systems.

"ERR" being redefined in sys/regset.h.

Windows does.

leaks and lost handles. Also removed some useless init code.

Added support for FONTSIGNATURE in GetLocaleInfo32A and updated
GetLocaleInfo32W.

searching for DBG and PDB files.

for debug information.