- Update README.txt to refer to the addthis.api.php for implementation options.
- Write addthis.api.php file with example of implementation.
- Add custom button with upload functionality for a custom button image.
- Move basic button to main module to provide a basic implementation.
- Create a column view of the services on the settings page.
- Create asynchronous load checkbox in settings page.
- Refactor the order of methods in the AddThis class to collect same type of methods.
