Added unit tests
Added store parameter on job_id on model hr_contract in module hr_contract_multi_jobs and added tests for it.
Changed assertTrue for assertEqual
Merge pull request #54 from savoirfairelinux/7.0-ddufresne-fix_hr_modules

Fix programming errors in hr modules
Add module hr_contract_hourly_rate
test contract hourly rates
rephrased docstring
Fixed spelling error