Looking for an Explanation of Scripting Differences Between 7.8 and 8.2

Is there a document out there that provides a succinct list of eScript compiler changes from 7.8 to 8.2. Our team is hitting some issues piecemeal and I was just wondering if there was a document out there.

We're currently upgrading to 8.2. I've noticed some scripting compiliation errors that we didn't expeirence in 7.8. I guess the the compiler has become more strict in regards to syntax.

We're hit some errors like this one: Error ‘Calling function GetQuestion has too many arguments’

This type of line now fails:

    x = GetPage("PageName").GetQuestion("QuestionName").GetCurrentValue();

And now apparently needs to be broken up into multiple lines: