ExtraWork 1.3

• Added --help, -h, --version, -v command line options.
• Use CMake to generate project files
• The ExtraWork library, not the client, shall set the length
• Other minor changes

ExtraWork 1.2

• Use < filesystem > to verify file input
• Use smart pointers to automatically free memory
• Output Windows error codes and messages on failure
• Miscellaneous minor changes

ExtraWork 1.1

-Organized code
-Removed unnecessary code
-Visual Studio 2015 Project Files
-Replaced GPL v3 license with UNLICENSE