Add comprehensive test suite, fix minor issues, rename function and file names to match approved verbs (#708)

Scripts/CLI/Wait-ForKeyPress.ps1

@@ -0,0 +1,11 @@
+function Wait-ForKeyPress {
+    # Suppress prompt if Silent parameter was passed
+    if (-not $Silent) {
+        Write-Output ""
+        Write-Output "Press any key to exit..."
+        $null = [System.Console]::ReadKey()
+    }
+
+    Stop-Transcript
+    Exit
+}