strftime-min.js from github.com/samsonjs/strftime (MIT licence, commit b852daca88bd4f055c1d6e0b91d7d1d707cf32f9)

strptime-min.js from github.com/Katochimoto/strptime (MIT licence, commit bef3182332b65794c2568e6e3ba849fe2cd80809)

