This looks really great, well done. I used to use EasyMorph[1] for similar tasks but your interface looks a bit easier to use. This could replace some of the work I currently do in pandas.
Thanks for the link, have been looking for something like this to quickly test out some ideas. I appreciate that I don't need a credit card to see if it will work or not.
Awesome, let me know what you think! Happy to help if you have any questions.