Merge pull request #1 from catalanojuan/added-requirements-txt

Added requirements txt
Preliminary README
Refactored client and added Order, Category, Script & Webhook resources.
Merge pull request #2 from catalanojuan/added-resources

Refactored client and added Order, Category, Script & Webhook resources.
Added subresources decorator to add those to a Resource.

This also adds both images and variants subresources to ProductResource.
Refactored http client requests method to support variable args.
Merge pull request #3 from catalanojuan/add-subresources

Add subresources
Added documentation for subresources.
Style convention fix: tab to spaces convertion.
Added status error codes handling for API requests.
Merge pull request #7 from catalanojuan/nicer-error-handling

Added status error codes handling for API requests.
Added resources tests and some fixes.
Added setup.py
Merge pull request #8 from catalanojuan/added-tests

Added tests
Added travis.ci yaml file.
Merge pull request #9 from catalanojuan/add-travis-ci-yml

Added travis.ci yaml file.
Update requirements.txt
Update README.md
Update and rename README.md to README.rst
Update README.rst