Raise new MandrillRecipientsRefused exception
when Mandrill returns 'reject' or 'invalid' status
for *all* recipients of a message.
(Similar to Django's SMTP email backend raising
SMTPRecipientsRefused.)
Add setting MANDRILL_IGNORE_RECIPIENT_STATUS
to override the new exception.
Trap JSON parsing errors in Mandrill API response,
and raise MandrillAPIError for them. (Helps with #93.)
Closes#80.
Closes#81.
* Add some context to exceptions on unserializable
values (addresses #89).
* Document need to format merge data
(into something JSON-serializable).
* Add RemovedInDjrill2 DeprecationWarning.
* Deprecate blanket date/datetime serialization.
Introduce djrill.NotSupportedByMandrillError for unsupported functionality (previously used generic ValueError).
Change to djrill.MandrillAPIError, derived from requests.HTTPError, for API error responses (previously used djrill.mail.backends.djrill.DjrillBackendHTTPError -- retained as equivalent for backwards compatibility).
