Adds postgresql python support: plpythonu
Adds postgresql python support: plpythonu

calvinmetcalf/CartoDB-SQL-API,CartoDB/CartoDB-SQL-API,calvinmetcalf/CartoDB-SQL-API,dbirchak/CartoDB-SQL-API,calvinmetcalf/CartoDB-SQL-API,dbirchak/CartoDB-SQL-API,calvinmetcalf/CartoDB-SQL-API,CartoDB/CartoDB-SQL-API,dbirchak/CartoDB-SQL-API,dbirchak/CartoDB-SQL-API