Merge pull request #461 from blackcoat/master

Spelling corrections + minor clarifications in contribution guidelines
Remove unused option
Fix typo in code commnet
Fix comment about explanation for parameters
Merge pull request #462 from tricknotes/fix-typo-in-code-comment

Fix typo in code comment
Fire keyup, keydown, keypress events from browser.fill

And prevent those events from firing when the value has not actually
changed.
Merge pull request #465 from dmauro/master

Keyup, keydown and keypress events when using browser.fill
Make sure XMLHttpRequest.responseText is always a string

See http://www.w3.org/TR/XMLHttpRequest2/#text-response-entity-body
Simplify responseText fix and handle empty response bodies correctly
Test against correctly upper-cased method names

We upper-case the method name immediately before testing, so the strings we are testing against should be upper-case as well.
Merge pull request #467 from jergason/patch-1

Test against correctly upper-cased method names
Merge pull request #466 from denisw/master

Make sure XMLHttpRequest#responseText is always a string