#56 Static library builds for VC++

[Karl Waclawek]

I added projects for building static libraries
to the MS VC++ project files.

I also changed the "elements" demo project
to use the static version of libexpat.

Small changes had to be made to expat.h
and xmlparse.c - check the patch included
in the attached zip archive.

Other minor changes were made with regards
to have all projects link to the same version of
the runtime library.

Btw, using the static library forces an application
to link to the same version of the runtime as Expat,
or rebuild the library accordingly.

[Karl Waclawek]

Changed MS VC++ project files & patch

[Karl Waclawek]

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Works for me - applied to CVS.