new library for feauture engineering on event / timeseries data - feature.express

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Hello there! A week ago, I open-sourced a project of mine that I've been working on, on and off, for a few years now. I'm a Data Scientist (and Kaggle competition grandmaster), and some of the hardest problems to solve were always the ones that involved time (proper validation, not leaking data from the future, etc.). I've always struggled to work with tables that, in reality, stored events.