Merge pull request #2 from fidian/master

Removing extra comma
Merge pull request #3 from fidian/master

Comma fix for IE8 with pmxdr-host.js
Adding examples from official website

It's handy to have everything you need in one repository.
Source files were mostly pulled from Eli's website with only a minor edit.
http://eligrey.com/blog/post/pmxdr-postmessage-cross-domain-request-library
Merge pull request #4 from fidian/apache

Adding examples from official website
Cleaned up readme
Fixed tracking image
Allow other HTTP status codes to be sent to client

When dealing with RESTful services, we won't always get 200 replies.  It can
be normal to receive and handle any HTTP status code.  I was using 500, 409
and 202 today.
Merge commit 'e783909' into load-error
Merge pull request #5 from fidian/load-error

Allow capturing of non-200 responses