forcedotcom/SalesforceMobileSDK-iOS — pull request #721 by khawkins (2014-09-03 18:34:49+00:00)
Title: Updating user account identities to be unique to both UserID and OrgID

UserID is not guaranteed to be unique across orgs. Most commonly, user IDs will be duplicated when a production org is cloned to sandbox for testing.

This makes user account uniqueness criteria based on both UserID and OrgID.