Allow ORing log levels in `SetLogLevel`:
Allow ORing log levels in `SetLogLevel`:

logger.SetLogLevel(LogLevel::DEBUG | LogLevel::ERROR | LogLevel::INFO | LogLevel::WARNING);

Was previously a type mismatch warning (at least in VS), because it was cast to int by `|`.

maddinat0r/samp-log-core,maddinat0r/samp-log-core