v0.0.4: Simulation Updates

Simulations should be easier to use!

Additional notes:

• Dynamics functions reorganized (pulled functions from environment and structure.satellite)
• Satellite State class is now a child of a numpy.ndarray
• Sensors read values directly from state and environment (based on state)

v0.0.3: Structure Updates

Structure Configuration Files

Examples show that satellite configuration files can be used to create satellite objecs