Merge remote-tracking branch 'upstream/master'
Include the core directly
Add Printable protocol to Box
Add terminating newline to Box.swift
Use tabs instead of spaces
Merge pull request #147 from kasrak/master

Add Printable protocol to Box
Merge remote-tracking branch 'upstream/master' into divorce-papers
Merge pull request #146 from CodaFi/divorce-papers

Divorce papers
Merge remote-tracking branch 'upstream/master'
A little less class
A little more structure
Merge pull request #148 from CodaFi/fingers-crossed

Declassify
Merge remote-tracking branch 'upstream/master'
Remove unnecessary operators from core
Document combinators
Document Box<T>
Reflow either
Reflow optionals
Reflow Array
Document operators