Revert "Remove try/except that can hide programming errors"

This reverts commit 2ce01ae4.

Revert "Output queues in results"

This reverts commit 7dc0cc78.

Revert "Raise an error when attempting to use an invalid scheduling rule on a queue"

This reverts commit 7bca22bf.

Revert "display gantt by job & by station"

This reverts commit 1094e881.

This is mostly to have an id in the result json and be able to display it as a
station for gantt by station

This script can be used to debug a json saved from the GUI

This reverts commit c6fa76ac.

Topology27 added to the tests. Got to discuss though where the Event Generator will be inputted in JSON (for now it is a node, but I think it should not be)

EventGenerator brought to a more generic state, where the arguments of the method are passed as a dict

very first version of an event generator object. This can be called in fixed intervals and generate some events

optimiser updated to control if a solution randomly created has already been tested. If this is the case it does not call the optimiser