could the fix for #864 (duplicating cards in sealed) be this easy?

hopefully fixed #864
Merge pull request #884 from brine/test

could the fix for #864 (duplicating cards in sealed) be this easy?
Added ability to push new octgn.core as a nuget package via powershell script
fixes #885 marker image validation implemented.
Updated nag screen message
Little more to nag window
Updated subscribe menu
Updated changelog
Auto generated commit for version 3.1.37.130-Test
Auto generated commit for version 3.1.38.130