2019 Feb 8
* Added y-axis oscilloscope autoranging by default.
* Improved zoom ease of use. Scroll wheel now better matches "expectations"
* Always zoom in on right click & drag.
* Add pan/move option for left click. Enabled by default.
* Suppress glitches (up to 2 samples) which occur on current range switches.
* Fixed exception that prevented preferences from saving correctly.
* Started "save", but still work in progress.