[WIP] Last updates

[rodrigomha]

The following PR updates Test 10 and 11 to properly assess the effects of Dynamic Lines.
It also adds an update model for Source, that now uses an internal voltage and angle to match the solution of the power flow (via a new initialization function). Finally, new functions to print initial conditions are provided. The new printer provides bus voltages, states of dynamic devices and current for dynamic lines.

To do:

• Initialization for Dynamic Lines
• Update documentation example for Dynamic Lines

[jd-lara]

@rodrigomha this will also require the serialization of DynamicLines.

[rodrigomha]

@rodrigomha this will also require the serialization of DynamicLines.

Yes. We need that to use the deepcopy of the system. We also need to update the versions of the project. I didn't update the project here, but tests are passing with PSY#master.

[jd-lara]

There are several things in the result that retrieve code that is not necessary. Please see the comments, we already have a sorted dict with the lookup in the simulation.