Add item.image_url feature.
Delete item.image_url feature, let user to use image.large_image to get image.
change item_spec.rb to use public_send.
Delete extra let in item_spec.rb
Minor spec changes.
Merge pull request #5 from xlu/item-image-url

Add item.image_url feature.
Stub out HTTParty calls
Bump to version 0.0.2
Add webmock to not allow actual calls
Take both symbol and string keys for params
Bump version