3.0.0

• Replacing typecasting with a new type parsing mechanism.
• Removing methods model.collect, model.filter, model.scroll and prop.isModel.
• Refactoring model.flatten() to return serialized data and support serialization strategies.
• Now supporting validation on polymorphic arrays.
• Adding createModelClass method to create model classes from a JSON definition.
• Most of the validators do not trigger on null or undefined values anymore except special ones which verify presence.
• Property error objects have a new structure.
• Updating readme documentation.