1.1.1

• Fix bug with null element in diff

1.1.0

• Make Period iterable

1.0.0

• First stable release

0.5.1

• Fix bug with precision not being correctly copied

0.5.0

• Add boundary and precision support

0.4.1

• No overlap returns empty collection

0.4.0

• Add visualizer

0.3.3

• Support edge case for two period diffs

0.3.2

• Support better (static) return types in Period

0.3.1

• Period::contains support