* Advanced Ballistics - Fixed faulty wind attenuation
* Only relevant at very low altitudes above ground (below 1.6 m)
* Also fixes the Kestrel 4500 readout
* Kestrel 4500 - Minor optimization / fix
* Avoids possible math error 'ln(0)'
* Rebuild Dills
* Single global on/off switch (that really turns everything off properly)
* Less coupling between code that runs on the client / server
* Simpler update routines
* More cohesive code
* Less module options
* Less network traffic