Remove wu.operators.js
Moving wu.js to the top level
work in progress
Add "staticMethod" helper and update static functions to use it.
Improve detection of Symbol.iterator and fix getIterator.
Implement pluck, invoke, unique, and find.
Implement product.
Update Symbol.iterator comments.
Implement chunk.
Generalize zip and implement zipLongest.
Add isIterable helper and implement flatten.
Implement tee.
Implement unzip.
Implement ireduce.
Starting Jekyll-based docs
Merge remote-tracking branch 'fitzgen/es6-impls' into es6
Remove combinatoric methods, s/ireduce/reductions/, little fixups
items is assigned to so it can't be const
More clean ups of repo files
Setup mocha and chai for testing; add tests for public utilities and infinite iterators; add docs on tests