Actually, this is kind of the spirit of Mithril. It's really a tiny collection of standalone useful functions that also happen to work well together. Ironically

Actually, this is kind of the spirit of Mithril. It's really a tiny collection of standalone useful functions that also happen to work well together. Ironically, your examples of "libraries" are both quite big in the context of the "lean learner" mentality, and in comparison to Mithril.