Add Prepayments/Overpayments to Bank Transactions
Add Linking for CreditNote to Payment
Add EmailAddress to the User model
Merge pull request #136 from streichsbaer/master

Add EmailAddress to the User model
Fixing create action in the example controller

:access_key => @xero_client.access_token.key should be :access_key => @xero_client.access_token.secret
Update README.md
Update README.md
Merge pull request #137 from ryanking1809/master

Fixing Errors in Example Controller Doco
Add tax components to tax rate