0.2.2 - 2012/07/03

    Updated:
    - some additions to the README showing how to use get_changes
    - added acknowledgements to OANDA for supoprting development time

0.2.1 - 2012/06/28

    New:
    - added get_changes method, used for getting changes related to a row from a specific table
 
0.1.0 - 2012/06/22
 
    Initial release