Filllevel Warning for Harvesters.
When the Fill level reaches 50% and 80%, a signal tone will be heard.
When the Fill Level has reached 80% the Beakon Lights are activated.

Changelog 1.0.0.1
new loading System for the Sounds.

Changelog 1.0.0.2
Automobile manufacturers will only be queried once instead of with each run, which will save on performance.