Upgraded project and fixed dnn obsolete APIs#1

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brbjr1 wants to merge 11 commits intoventrian:masterfrom

Commits on Nov 17, 2019

Upgraded Project to .net 4.5
Bruce Behrens
committed

Commits on Nov 18, 2019

removed depercated apis
Bruce Behrens
committed

Commits on Nov 23, 2019

fixed dnn Obsolete apis
Bruce Behrens
committed

Commits on Nov 24, 2019

add support to pass in a username on new receipt
Bruce Behrens
committed

Commits on Sep 18, 2020

tls1.2 fix
Bruce Behrens
committed

Commits on Aug 16, 2025