v0.2.4

- Cell removal fix

v0.2.3

- Proper cleanup of dropdown after cell removal

v0.2.2

- Version fix

v0.2.1

- Fix for incorrect parent button selection

v0.2.0

Added state management. Now supports tracking, saving and loading the sate for orderable, sizeable and renderable columns.

v0.1.3

Version bump

0.1.2: Minor updates

- Fix positioning of dropdown
- ColumnManager  instance fix