Merge pull request #2 from tostercx/master

Updated windows makefile & tests
Merge pull request #3 from tostercx/master

Windows makefile updates
Remove src/config.h and src/gd.h from .gitignore. Sheesh.
Add a readme for building on windows.
Merge remote-tracking branch 'origin/master'
Drop strcasecmp implementation. Only define 'inline' on msvc builds.
Improve error messages in gdnametest.
Fix gdnametest on *nix
Get gdnametest passing on windows
Prevent CppSharp parsing error
remove mkdir error messages