Sync with main#6

Merged

JoshuaReicher merged 4 commits into

JoshuaReicher:masterfrom

AnalyticalGraphicsInc:master

Apr 27, 2020

Commits on Apr 17, 2020

Fixed typo
jbaxterGitHub
authored
Merge pull request #15 from jbaxterGitHub/patch-1
John Thompson
authored

Commits on Apr 20, 2020

Added code to handle an optional column for interplane phasing
Claybrook
committed

Commits on Apr 21, 2020

Merge pull request #17 from AClaybrook/master
John Thompson
authored