Add changes to fix bad input from fuzzing, Fixes #210#217

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milkshakeuk merged 3 commits intomasterfrom

FuzzBadInputFixes3

Jun 1, 2021

Commits on May 31, 2021

Commits on Jun 1, 2021

Add additional validation for 'EncodingCharacters.cs' to prevent whitespace (and Null) characters being used as encoding characters or as the field Seperator (MSH-1) + unit tests
milkshakeuk
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