v4.1.0

Release 4.1.0

New or Improved Features

• Add noauth_local_webserver flag to Gmail constructor
• Add access_type to Gmail constructor (though I believe Google returns refresh tokens regardless of whether offline or online is specified)
• Add create_label and delete_label functionality
• Add cc and bcc fields to Message
• Add the following query options: list, in, delivered_to, category, larger, smaller, id, has.

Bugfixes and Other Changes

• Fixed bug where attachment overwrite flag is used in the opposite way it was intended.