Linien

- **Removed "Check lock" and "Watch lock" features** as they caused problems with the new autolock algorithms as well as with noise analysis. These features are planned to be reimplemented in a future release (and in a more sophisticated way). If you rely on these features, consider using Linien version `0.3.2` until then.

- fix a bug in the server package that lead to an incomplete install

- Implemented new autolock algorithms that are faster and work with high jitter
- For noise analysis, PSD of the error signal may be recorded
- Plot window of the main window may be zoomed / panned by clicking and dragging / using the mouse wheel
- Parameters are not only backed up on the client side but also on the server. When client connects to a server with parameter mismatch, the user may decide whether to keep local or remote parameters

- FIX: incompatibility with rpyc==5.0.0
- improved documentation

- FIX: derivative of PID should work now as expected

* **IQ demodulation** (simultaneous orthogonal demodulation) allows for determination of the spectroscopy signal strength. This makes one-shot optimization of the demodulation phase possible
* **Improved optimization algorithm**: Automatic optimization of the slope of a line is now more robust and converges faster
* **More accurate autolock**: Autolock reliability was improved
* **ANALOG_OUTs** can be set using python client or GUI
* **Digital GPIO** outputs are now accessible using python client
* **Keyboard shortcuts for zoom and pan**: Use `←` / `→` / `+` / `-`
* **Device editing** is now possible, leaving device's parameters untouched
* **Extra package for python client**: `pip install linien-python-client` installs a headless version of the linien client that allows to control your lock in an environment that doesn't provide GUI libraries
* **Bug fixes and performance improvements**