Created MerchantRepository and class/test.
Added find_by_x tests/methods to MerchantRepository.
add fixtures and finish find_by and find_all_by methods for Merchant Repository class
add ItemRepository class & test
update Rakefile for test suite, fix Guardfile, fix merchant_repo, add SalesEngine and SalesEngine test
remove SalesEngine module namespace.... unfortunately
created base repository, modified item repository to inherit from base
created the rest of the repository files.
commit for backing up files. working to fix the inheritance from the BaseRepository to dynamically generate attribute methods on the child classes
Moved dynamic find_() method generation into specific repository classes.
killed the BaseRepository, modify all repo classes, and add tests for CustomerRepository
Created Invoice Repository test.
add test for InvoiceItemRepository and TransactionRepository
made changes to invoice repository test.
Merge branch 'bass-killa' of github.com:thewatts/sales_engine into bass-killa