Used phpspec2 cool shouldBe*() method.
Merge pull request #21 from umpirsky/random-fixes-23-12-2012

Added quantity min attribute
New resource bundle
Merge branch 'refactoring/new-resource-interfaces'
Tweak travis configuration
Add more examples to spec, fix composer.json
Simplify configuration and config directory
Add initial default cart repository for doctrine driver
Update CHANGELOG with configuration modification info
Update the custom cart repository
Fix cart repository, run composer quitely on travis
Add controller specs
Update docblocks and descriptions
Fix docblock in Twig extension
Introduce ItemResolvingException, which handles resolving errors
Add more specs for models, Twig extension, storage, operator and others
Tweak specs
Tweak readme
v0.1.0 release, add info to CHANGELOG