No `exampleTestcaseList` attribute for `Question` object

[MouhsenKamil]

The exampleTestcases attribute gives you all the test cases as in a single string joined by a newline character. But the exampleTestcaseList attribute gives you all the test cases in a list. It'll be very useful to incorporate that into this API.

This attribute is observed inside all the query results that have the question object.

[GhostOps77]

Had the same thought just now.
Yeah, it'll be better if this attribute is available.
I'm manually splitting the testcases as equal sized chunks from exampleTestcases.