NXCALS-1741 Python data access API enhancements
#Merge request template @acc-logging-team - please have a look for approval.
Here I resolve 4 of 5 subtickets of NXCALS-1741. The 5th is the only new feature required and it's relatively the largest.
Closes NXCALS-1741
Edited by Kamil Krzysztof Krynicki