[Feature Request] Google Chat compatability

[1203-Johnson-Ellis]

Forgive me for being new and not very tech-savvy. Because Google is attempting to switch from Hangouts to Chat, or make them interchangeable, I tried using this parser with a Google Chat JSON file. It gives me the "The chosen file cannot be parsed" error. I am pulling my Hangouts data to check, but I believe the Chat JSON file should look the same and thus be parseable. Here is a view of the JSON files for a single chat: Here is a view of the code within the messages.JSON file: