Merge pull request #19 from nanliu/ticket/10285

(#10285) Refactor json to use pson instead.

Author: kbarber

lib/puppet/parser/functions/parsejson.rb

@@ -15,11 +15,9 @@ module Puppet::Parser::Functions
     end
 
     json = arguments[0]
-    
-    require 'json'
-
-    JSON.load(json)
 
+    # PSON is natively available in puppet
+    PSON.load(json)
   end
 end