Get Lower/Upper bound of Range

0.4.0

Implement get Lower/Uppder bound of Range

Add Excel index <-> alphabet formatter

Full Changelog: 0.2.1...0.3.0

Add class to handle multibyte

0.2.0

Add class to handle multibyte

Release Stable

0.1.0

Bump up version for stable

Change library versions of depending

0.0.3

Change library versions of depending

First release

0.0.2

Add format class for numeric