1.0.0

On disk savable added.
Some apis improves.
Bug fixes.

1.0.4

License changed from GPL3 to MIT.
Fix: pub.dev images load problem.
Improve: trying to increase pub point.

1.1.0

dependsOnAsync.

1.1.1

isCalculating option on dependsOnAsync.

1.3.1

bugfix: prevent updating holden when other calculate is running.
caching.
caching expire time.
add document to readme.

1.4.0

debounce feature added.

1.4.2

performance improve