Lua: Rename global variable “L” to “LOCALE”
Srsly, WTF? If we have to use global variables, at least give them descriptive names.
Directory for automated tests to test the engine.
Run `ctest` in the root directory of this repository to run all tests.
Run `ctest -R <test name>` to run only the test with the given name.
This requires you to have CMake.