0.1.0

• Fix some methods are not synchronized
• Replace Iterator#forEachRemaining with faster forEach loop

0.0.10

• Optimize addAll not to use validateContainer

0.0.9

• Optimize removeIf not to use validateContainer
• Fix IteratorContainerSet#forEach iteration

0.0.8

Add containsCache boolean to IteratorContainers constructor

0.0.7

Fix isEmpty logic being incorrect.

0.0.6

Re-write IteratorContainerList and IteratorContainerSet

0.0.5

Add Javadoc to classes

0.0.4

Validate set on IteratorContainerSet#spliterator method call because it needs to maintain the uniqueness of elements.

0.0.3

Validate set on IteratorContainerSet#iterator method call because it needs to maintain the uniqueness of elements.

0.0.2

Remake IteratorContainerList and IteratorContainerSet, fix bugs and make them thread-safe.