Add a transaction example
Merge pull request #39 from ghn/master

Add a transaction example
Update readme
Use plural
Add link to paymill's documentation on transactions
More configurable gem
Adds development mode
Merge pull request #41 from zamith/master

Better configuration for Paymill gem
Minor fix
Adds logging to paymill
Adds documentation for extra configuration
Merge pull request #42 from zamith/master

Adds logging to paymill
Update readme