some best practices for JS modules
created at Oct. 15, 2014, 1:25 p.m.
timeago.js is a tiny(2.0 kb) library used to format date with `*** time ago` statement.
created at June 23, 2016, 2:06 a.m.
The semver parser for node (the one npm uses)
created at Feb. 12, 2011, 12:06 a.m.