driver/Rhode Schwartz rs rto1000 series oscilloscope (#679)

* Added function to fix unit conversion bug in return vals

* First VNA commands

* VNA driver

Major update to the VNA driver

* Driver VNA

Added functions to the VNA driver

* VNA driver

Added the sweep_time parameter

* Added functions to set SGS reference

* removed unused hard_parameter

* Some change that was not commit

* Initial commit

* Second Commit

* Second Commit

* taking out changes that correspond to other PR

* Added missing format strings.

* Minor adjustments

* Resetting changes that belong to other PR

* Resetting changes that belong to other PR

* solving fork problems: test

* solving fork problems: SGS100A

* Removing the second undesired change inherited from fork

* Is this the correct version of ZNB20.py?

* THIS is the correct version of ZNB20

* first small clean-up

* feat: Channelise the four channels

* fix: add comma

* [WIP] cast driver into general driver for RTO1000 series

* Add trigger parameters

* add horizontal settings

* add/fix acquisition settings

* Remove old not-to-be-used functions

* add 16-bit resolution option

* [WIP] implement correct data export

* Finish trace acquistion

* Finalise driver, add notebook

* Rename driver file