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v2.0.0 Tue 11 Dec 2012
  - Added the ability to update a custom field name and preference visibility. 
  - Added support for retrieving spam complaints for a campaign.
  - Added support for retrieving unconfirmed subscribers for a list.
  - Added support for getting campaign email client usage.
  - Added support for creating a campaign from a template.
  - Added support for unsuppressing an email address.
  - Added support for suppressing email addresses.
  - Added support for UnsubscribeSetting field when creating and updating a list.
  - Added support for including AddUnsubscribesToSuppList and ScrubActiveWithSuppList fields when updating a list.
  - Added support for getting all client lists to which a subscriber with a specific email address belongs.
  - Added support for updating a subscriber.
  - Added usage of the Clear option when importing subscribers.
  - Added support for QueueSubscriptionBasedAutoResponders and RestartSubscriptionBasedAutoresponders where possible.
  - Added support for deleting subscribers.
  - Added support for getting deleted subscribers for a list.
  - Added support for unscheduling campaigns.
  - Added support for getting a client's scheduled campaigns.
  - Added support for getting account billing details.
  - Added support for transferring credits to/from a client.
  - Removed client_setaccess, as it is no longer supported in the API.

v1.21.0 Thu 26 Nov 2012
	- User-Agent header is now perl-createsend-{version}

v1.20.1 Thu 22 Nov 2012
	- Moved to dotted decimal version number.

1.02 Fri 16 Nov 2012
	- Added support to manage members (ie. Administrators, People)

0.05 Wed 19 October 2011
	- Fixed an error with the HTTP realm and other issues associated with this change.

0.04 Fri 04 March 2011
	- Modified the tests to require the user to enter the API key.

0.03 Fri 04 March 2011
	- Added comment to the POD regarding test failure due to CM API limits.
	- Removed apikey test.

0.02 Wed 02 March 2011
	- Corrected some errors in the POD.

0.01 Tue 01 Mar 2011
	- Creating initial implementation.