1.03  Tue Aug  2 16:55:15 EDT 2011
      - Tests will skip rather than fail if user fails to provide
        Amazon credentials.

1.02  Thu Jul 28 17:23:51 EDT 2011
      - Added support for filters with multiple values.
      - Improved subclassing documentation.

1.01  Thu Jul 28 10:32:52 EDT 2011
      - Add -print_error argument to VM::EC2->new.
      - Support for reserved instances.
      - Fix test 05 to avoid leaving dangling 1 GB snapshots.

1.00   Tue Jul 26 23:07:47 EDT 2011
       -Core API fully implemented

0.10  -Partial implementation of API.