Refactor and fix modules EnergySaving, OperationModes and MovingPhases
The general used level of accuracy from v0.3 was added to EnergySaving and OperationModes. OperationModes and MovingPhases were fixed for steep ascents were a train runs with maximum tractive effort while the driving resistances are even higher.
## Version 0.3
Refactor module MovingPhases
Repeatedly occuring code lines were extracted and smaller functions created (e.g. the function moveAStep). A new approach for calculating the waypoints near intersections was integrated (e.g. including an editable level of accuracy).
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