* fix(Crash): Fix crash in Vehicle::AddPassenger
As I understand it, a try-catch block cannot intercept the ABORT function. Therefore, let's use a simple if statement instead.
* Address code review feedback
* Core/Config: Implement config override with env vars
Implement overriding of configuration from the .conf file with environment variables.
Environment variables keys are autogenerated based on the keys defined in .conf file.
Usage example:
$ export TC_DATA_DIR=/usr
$ AC_WORLD_SERVER_PORT=8080 ./worldserver
* Add tests for env vars config