5 - Fixed: swapped `graceful-fs` for regular `fs`, fixing a garbage collection problem.
9 - Added: Node 0.12 support.
13 - Fixed: Node version specified in `package.json`.
17 - Fixed: no more infinite loop in Windows.
21 - Changed: module now creates cosmiconfig instances with `load` methods (see README).
22 - Added: caching (enabled by the change above).
23 - Removed: support for Node versions <4.
27 - Add `rcExtensions` option.
31 - Fix handling of `require()`'s within JS module configs.
35 - Switch Promise implementation to pinkie-promise.