Changelog for QCoDeS 0.1.6

New & Improved

Improved drivers:
- M4i improvements (672, 692)
- Improved R&S ZNB8/20 driver with channels and support for many more parameters (643, 682, 710)
- Speedup qdac snapshot (686, 690)
- Keysight 34465A DMM, fix error without DIG option (697)
Features:
- Slack bot improvements (671, 675, 681)
- Correct issue with storing data from combined measurement (670)
- Also support numpy boolean type in validator (676)
- Remove notebook detection and replace toplevel plotting lib import by config (699)
- add increment function to parameter (677)
- IVVI add function to round float to dac resolution (695)