3.0

First release of 3.0 to support the 803 branch of vspy.

Changes from 2.16post2:
-Updated icsnVC40.h to 803.104.
-NVIDIA Jetson Nano support.
-Added Documentation on how module version correlates to vspy version.

Breaking changes from 2.x branch:
Device setting structures now use the API's generic settings structure. For more details, please see
https://python-ics.readthedocs.io/en/v803/index.html?highlight=get_device_settings#ics.get_device_settings
and
https://python-ics.readthedocs.io/en/v803/index.html?highlight=get_device_settings#ics.set_device_settings