Call preventDefault() on the button's click event
Require a prevent-default attribute in order to preventDefault
Bump the version to 0.3.0
Remove the requirement for the preventDefault attribute ot have a value
Change the preventDefault attribute to toggle-prevent-default to indicate it is used with the Toggling directive
Add the toggle-prevent-default option to the README
Better evaluation of toggle-prevent-default
Merge pull request #3 from meerkats/feature/prevent_button_default

Call preventDefault() on the button's click event