[newclient]: Ported more parts of the WebLab Web API to Python (and added tests)
[newclient]: Added python experiment config retrieval etc
[newclient]: Experiments are rendered server-side now. Though code not cleaned up yet
[newclient]: Significant cleanup & refactoring, plus some improvements
[newclient]: Partially implemented a reserve() for the WeblabWeb JS API and started adding tests
[newclient]: Added tests, but they aren't actually right. The testing approach will probably need to change for those
[newclient]:reserve_experiment working in JS (for non-federated exps at least)