Merge pull request #1 from melmothx/master

Fixed strange error with empty session due to autovivification
Bump up version number.
Prepare Changes and README files for upcoming release.
Use proper object for products loaded by uri in product route.
Fix problem with fallback to navigation.
Add stub routes for checkout.
Add price to the list of fields to retrieve from the database.
Fixes bug when cart settings were missing in the configuration.
Add configuration option for product listing template.
Add code for adding single items and also display values to cart route.
Bump up prerequisite on Nitesi::DBI.
Bump up version number.
Prepare Changes and README files for upcoming release.
Add prerequisite on Business::OnlinePayment.
Add charge keyword.
Add basic documentation on the charge keyword.
Add a wrapper for Business::OnlinePayment.
Add exception for BUILDARGS method to POD coverage tests.
Bump up version number.
Prepare Changes and README files for upcoming release.
Add provider to log message in case of rejected card.