Made explicit that node 0.8 is not supported
Merge pull request #26 from hjpbarcelos/master

Expose the internal request component (fixes #23)
Version 0.2.5
Added info on debugging
Testing with different request versions
First version of the rewritten module
Activated linting rules. Fixes issue #19
Applying transform option
Transform function may return a Promise
Passing httpResponse to transform function as well
Updated docs
Cleanup
Removed unneeded assignment
Request already clones the options object
Converting method to upper case
Added migration instructions
Safe access of statusCode
Removed check since httpResponse always is an object
Introduced Chai
Updated tests