Changes, changes, plus a major fix

• Fixed an issue with the dedicated server that prevents macOS players from playing in Offline mode.
• New "for fun" command. Ding ding...
• ~playSound can now be looped.
• Changed a secret cheesy effect.
• Rewrote the ~freeBldg command. It now works like the ~spawnBuilding command.
• Changed audio output from FMOD to OpenAL, though it isn't too noticable.
• Fixed several fireworks issues.
• Some Retro Mode changes. (check out TNT's)