create transaction files
add files rakefile require_helper
transaction parser changes csv to transactions
add Guardfile and pass transaction attributes test
moved attribute tests to transaction_test from parser
Add #all for transaction_repo.
Add #sample to test for randomness
create object now in repo not parser, implemented #find_by
started work on #find_all for result
added more thorough tests to parser
transaction repository tests complete
Renamed repository tests for clarification and cleaned up comments
Merge branch 'master' of github.com:kavitasa/sales_engine