Add `void` function
Change `{}` to `Unit/unit` and export `void`
Merge pull request #455 from pelotom/patch-1

Add `void` function
Faster array equality
Merge pull request #456 from purescript/eq-array

Faster array equality
Update CONTRIBUTING.md

Add link to the compiler dev hangout video.
#458
Update patterns.rst
Merge pull request #459 from purescript/458

#458
Fix a bug with TCO for multiple argument functions, fix #461
Merge remote-tracking branch 'origin/master' into prototypes