• Added @bozdoz as Author
• Fixed scroll positions when parent element is scrollable
• Added DOM Event helper function and _stamp to uniquely identify objects and intro instances; fixes issues with removing event listeners
• Added new syntax for radial gradients
• Fixes to CSP violations to avoid using setAttribute
• Fix to intro groups from PR #80 (also PR #763)
• optional buttonClass option to overwrite 'introjs-button'
• Added onskip callback