to equal, to have properties: Assert the absence of a property when the RHS object has an undefined value.
3.2.4
Fix: 'to have properties' does not include prototype functions on err.actual

Closes #48.
Added MagicPen to unexpected
Basic formatting with magicpen
First step to make the output configurable
Upgraded magicpen
Added support for auto detecting the output format
Use magicpen for all output
package.json: Order dependencies alphabetically.
Switch to common.js require, browserify, and Istanbul.
Added coveralls integration.
README: Added 'npm version' badge.
README: Added 'dependency status' badge.
Simplified browserify command lines by not mentioning the "main" module, which is then retrieved from package.json.
Put the license into an external file and make sure it appears at the top of the browserified bundles.
Added the bundle-collapser browserify plugin.
Updated to Browserify compatible MagicPen
Added colors to output with magicpen
Support magicpen instances in expect.fail args