Exposed getEmValue method to allow other js to call respond.getEmValue to get the pixel value of 1 em
Updated API Options secion in the readme with the now exposed getEmValue method
Fixed a markdown bug.
Updated example of getEmValue() spacing from tabs to 2 spaces for readability
Fixing another markdown issue
Going back to tabs instead of 2 spaces
Upadting the documentation with a link to response.js
Adding test for IE9 in iframes

Internet Explorer 9 supports css3 media queries, but not within frames
(this appears to be a bug in IE9). Modifying this script to check for
IE9 and check if within iframe and run if true.
Modified the minw and maxw match statements in order to match css expressions that have white space preceding the colon (still valid css syntax).
Fixed mistake in readme
Added support for protocol-relative URLs in CSS file references in cross-domain JS.
adding note about removing query string from respond-proxy.html
Add bower.json

This file allows this package to be installed using Bower. The package
has already been registered as `respond` in the Bower package registry.
It can now be installed by executing:

  bower install respond

More information on Bower can be found at:

  https://github.com/bower/bower
  http://bower.io
Add warning about Sass source maps to README
Update README.md; Demo link now points to a valid url.

Commits to https://github.com/scottjehl/Respond/blob/master/test/test.html  automatically apply to the linked url. 
https://rawgithub.com/ is a valid host to render GitHub content with correct mime-types applied and provides information relating to hosting examples using the GitHub repository.
fix misspelling in README
win.matchMedia("only all") can be null
added note on IE max stylesheets

fixes #202
fix IE7 Windows Vista issue
Merge pull request #236 from rcpeters/master

Fix IE7 Windows Vista issue