initial commit.
Provides DSLs for retrieving products and customers,
and for adding additional CRM/Store integration.
removed reference to string extension, reintroduced in rebase conflict
fixed link in contributor's guide
fixed a Ruby 1.8.7-ree compatibility issue
Issue when Etsy store doesn't exist or is the only one.
big commerce now allows the validation of credentials
Merge pull request #2 from stuartc/single_result_etsy_store

Issue when Etsy store doesn't exist or is the only one.
Merge branch 'master' of github.com:nicc/mad_cart
Merge pull request #1 from nicc/master

Initial version