Added support for unevaluatedProperties as Schema and bool #118

Also ran `gofmt` across the entire project. Things need cleaning up.

Signed-off-by: Dave Shanley <dave@quobix.com>

datamodel/high/base/xml_test.go

@@ -71,4 +71,4 @@ wrapped: true`
 	highXMLBytes, _ = highXML.Render()
 	assert.NotEqual(t, yml, strings.TrimSpace(string(highXMLBytes)))
 
-}
+}