Add a link to funcy library
Change link to funcy to refer directly to repo
fix test spacing (apologies for pedantry)
Add memo test for _.once
Merge pull request #1671 from megawac/_.once

Add memo test for _.once
Sparse arr test and extra commenting to _.isEqual
spec NaN equals Object(NaN)
allow falsey contexts in lookupIterator (fixes #1674)
Merge pull request #1673 from megawac/equal-comments

Add comments and sparse array test for _.isEqual
Update description of _.isEmpty.

The HTML documentation did not make it clear how _.isEmpty works for strings and arrays vs. objects
Merge pull request #1672 from scottaj/update-isEmpty-docs

Update description of _.isEmpty.
Optimization of _.defaults
Merge pull request #1676 from megawac/defaults

Optimization of _.defaults
Merge pull request #1660 from Suor/master

Add a link to funcy library
Remove unneccessary pluck call from zip
Merge pull request #1678 from megawac/zip

Remove pluck call from zip
Simplification of memoize expected case
also specs the case mentioned by @jdalton in comments (great catch!)
Merge pull request #1679 from megawac/memoize

Simplification of memoize given no hasher
Handle no arguments case in _.zip

Closes #1680
Merge pull request #1681 from megawac/zip-fix

Handle no arguments case in _.zip