A union type argument validation attribute written and for use in pwsh v7.5 .ps1 code. Supplies two different attribute classes for whether validating scalar or array item values. Currently only supporting one to eight types in the union set.

A Powershell module for saving and loading objects as hashtable; cmdlet ConvertTo-HashString modified to support more data types, including pipe-through unassessed ScriptBlock data which REMOVES some of previous module author's attempts at SECURITY.