* Updated CI for python 3.8 and 3.9; removed python 3.6
* Added ability to load data from subtag
* Usage of QCoDeS contrib libraries
* Modified SpiModuleInstrumentAdapter to accept injection of the SpiRackInstrumentAdapter for mocking purposes
* Added type annotation to m4i instrument adapter __init__
* Modified Instrument adapters for dependency injection of the instrument class. Needed for LLS testing/mocking framework
* Added pylint to pipeline
* Relaxed hardcoded check in d5a adapter
* Added limit argument to StorageMemory
* Updated StorageMongoDb docstring to include performance note