feat: PipeScript.Languages/Interpreters.All ( Fixes #838 )

Author: James Brundage

Types/PipeScript.Languages/get_All.ps1

@@ -0,0 +1,13 @@
+<#
+.SYNOPSIS
+    Gets all Languages
+.DESCRIPTION
+    Gets all currently loaded language definitions in PipeScript.
+#>
+,@(foreach ($psProperty in $this.PSObject.properties) {
+    if ($psProperty -isnot [psnoteproperty]) { continue  }    
+    if ($psProperty.Value -isnot [PSObject]) { continue }
+    if ($prop.IsInstance -and $prop.Value.LanguageName) {
+        $psProperty.Value
+    }    
+})