Release 0.6.13

1. Add meta and alt key handling in keyboard scrolling - #549
2. Implement reverse wheel axis on shift key - #548
3. Add TypeScript definition - #552
4. Fix click propagation on scrollbar thumbs - #526 #547
5. Implement correct click-rail handler - #568
6. Minor bug fixes

Release 0.6.12

1. Fix scrolling for multiple select
2. Change default scrollbar theme
3. Minor bug fixes

Release 0.6.11

1. Add support of iframe for keyboard event
2. Add 'handlers' option
3. Drop support for IE <= 9
4. Allow children native scroll
5. Enhance browser compatibility
6. Minor bug fixes

Release 0.6.10

1. Add missing fix for touch/trackpad scrolling in IE10+ and Edge

Release 0.6.9

1. Add accessibility support with keyboard
2. Fix events not triggered when scrolling past boundaries
3. Fix touch/trackpad scrolling in IE10+ and Edge
4. Add theme feature
5. Remove transition and border-radius mixins from styles

Release 0.6.8

1. Fix broken drag scrolling out of viewport
2. Fix untriggered scroll events
3. Remove select element hack for Firefox
4. Set scrollbar size to 0 when inactive
5. Add tabindex properties to scrollbars

Release 0.6.7

Quick fix for 0.6.6.

Release 0.6.6

1. Add custom events
2. Support higher Node.js versions
3. Add useSelectionScroll option
4. Bug fixes

Release 0.6.5

1. Add shift+space support.
2. Bug fixes.

Release 0.6.4

1. Add null-check for instances.
2. Add 'stopPropgationOnClick' option.