1.05  Sun Sep  4 22:17:33 EDT 2011
      - Add wait_for_snapshots(), wait_for_volumes(), and wait_for_attachments() methods,
       as well as a generic wait_for_terminal_state() method.

1.04  Wed Aug 10 15:56:36 EDT 2011
      - Document -availability_zone argument to run_instances(). Was formerly
        misdocumented as -placement_zone. Both work now, and -zone works as
	well.

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.
