let Analytics class use resource_property()

[smaeda-ks]

In order to allow accessing response data through instance variables, Analytics class needs to inherit Resouce class but it will produce MRO error so it also needs to change the order of base classes in some classes that inherit Analytics class.

[smaeda-ks]

Let's start collecting notes of any breaking changes so we can write guidance about what to watch out

Sure, we could create a release note page in Wiki: https://github.com/twitterdev/twitter-python-ads-sdk/wiki/Release-Notes