Pasteboard history stacker for SBSettings.

iPhone OS 3.0

iPhone OS 3.0.1

iPhone OS 3.1

iPhone OS 3.1.2

iPhone OS 3.1.3

iPhone OS 3.2

iPhone OS 3.2.1

iPhone OS 4.0

iPhone OS 4.0.1

0.24-2: iPhone OS 3.2.1 support

0.24-1: Bug fix and iOS 4.0 support