Adjusting some spacing and adding protecting from being accessed directly and checks to see if the class already exists elsewhere.
Set up some base variables, setup a translation domain, provide a method for checking that ACF exists and if it doesn't don't allow the plugin to be activated
Update version numbers and readme a bit
Fixing some comments and spacing
Add output buffering to fix issues.  Add some better classes and an ID to differentiate from the main widget areas.
Use the passed value of the field instead of getting it from $field, since this doesn't work right with repeaters.
check for the correct class when checking against it already existing
add a check to be sure that the value exists when trying to format the value for display
Adding support for ACF v5
Add translation to the select box
Fix some strings for translation
Readme updates
Allow returning the name of the widget area as well as returning the HTML