Allow setting python::version to Integer

Allow setting `python::version` to an integer value to match the `default` option in `install.pp`. This is required for FreeBSD.

Author: tj-cisco

types/version.pp

@@ -1,8 +1,8 @@
 # @summary Match all valid versions for python
 #
-type Python::Version = Pattern[
+type Python::Version = Variant[ Integer, Pattern[
   /\A(python)?[0-9](\.?[0-9])*/,
   /\Apypy\Z/,
   /\Asystem\Z/,
   /\Arh-python[0-9]{2}(?:-python)?\Z/
-]
+]]