changed version number
Removed unused code.
Add text domain and language directory to plugin header.
Code formatting for better readability.
Implement get_textarea() to separate tasks.
Implement visibility option.
Changed widget form markup, because the default admin styles break it.
Replaced name filter with real I18n.
Move action to a method, make them translatable.
Code formatting and clean up.
Rename "Logged in users" to "Members".

Shorter, easier to understand, better English.
Make clear the visibility settings are exclusive.
Add missing closing </ul> tag.
Imrpoved docs and formatting.
Implement language loader, move widget class to a separate file.
Fine tuning for translation.
Move widget class to separate file.
Create German language files.
Remove extra comment form plugin. One plugin should do one thing
only.
Update the readme with a license.