To build:
1. Install a version of Microsoft Visual Studio
2. In misc/env.bat, paste the path to vcvarsall.bat (varies by installation, mine is in D:\Program Files\Microsoft Visual Studio 14.0\VC)
3. Double-click the shortcut to Command Prompt
4. In the command prompt, navgiate to ./src/windows
5. Run pack.bat
6. Run build.bat - The build will be located in ./build/windows/letterborne_castle.exe
