Mark already rejecteed promises as handled when used as a promsie for a collection
170 Promise#nodeify should not pass  as an explicit argument to a Node.js continuation callback
Release v1.2.2
Use files in package.json instead of .npmignore

Pointing out just the files to include is easier for projects with good structure than
keeping track of what should be ignored.
Changelog
Update CONTRIBUTING.md
Fixes #179
Further .map and .filter cleanups and optimizations
Custom build dependencies
smaller timers
obsolete test
Simplify and optimize .reduce and Promise.reduce
Pass internal cast as argument to modules
Refactor Promies.props

- No longer split into 2 files
- Remove dependency hack in PromiseArray
Remove file splitting for promise arrays
Stop using createPromiseArray
Remove isBound checks where unnecessary
Stop passing bound value to PromiseArrays

PromiseArray can read it from the passed promise instead.
Centralize state propagation
Implement each