new bill validation and method signature in module
can save bill in database
Very basic listing of bills
added a component for customer information, right now only the email is relevant. Checking live if the email is valid
beggining to save customer's info with bill. Also create a transaction for the full amount if requested
save user id of the customer linked to the bill.
Added total, paid amount and user whom the bill is for (with a temporary link to the user)
Can show open and closed bills at will
close bill action no completed
Can now open and close bills
Cr Fixes
Merge pull request #15 from my-koop/mike_open_close

Transaction Module