Public Git Hosting - HashSet.git/commit

Fixed a few warnings of MSVC at "EnableAllWarnings" level.

Simple hash set implementation for C99

example/hash-map/hash-map-example.vcxproj		diff \| blob \| blame \| history
example/hash-set/hash-set-example.vcxproj		diff \| blob \| blame \| history
libhashset/libhashset.vcxproj		diff \| blob \| blame \| history
libhashset/src/dll_main.c		diff \| blob \| blame \| history
test/hash-map/test-hash-map.vcxproj		diff \| blob \| blame \| history
test/hash-set/test-hash-set.vcxproj		diff \| blob \| blame \| history