Add the ability to save an array of models

[tim-s-ccs]

• Get attributes from an array of models
• Allow for primary keys to be something other than ID
• Fix issue with data casting to models
• Add an array for models
• Make the save create active models if needed
• For static models make sure the primary key is a string
• Re add the ability to save static models
• Allow for saving of an array of active models