fixed model issue regarding Singleton module, first instance of a model created from a Singleton view was getting lost, refactored the Singleton module to correct this issue and better handle models and assigned data passed to this these type of views
fixed model render on update bug for orderdetails layer; styled order details layer
polished ui for past orders
formatted pastOrder views and models to work with expected service data
added price sync method to apply catalog pricing to past orders cartList