A lot of fixes and improvements

*  Made antiscroll more robust to work between windows (thanks to [othree](https://github.com/arlm/antiscroll/commit/ecf95e3ffad2e6d5802b70c0cb40861a77c68955))
* Added antiscroll wrapper (thanks to [othree](https://github.com/arlm/antiscroll/commit/87debe64a4e9b7fffd0b701acfe261332882f096))
* Update the scrollbar size when refreshing (thanks to [pgherveou](https://github.com/arlm/antiscroll/commit/afbd33fa837100c37656a441fac1645f046e10d8))
* Fixed some performance and cleanup issues (thanks to [fontaineshu](https://github.com/arlm/antiscroll/commit/e745c0a1567bbc3d2f67aaa1af421670632d67f5))
* Enforced a minimum size on the scrollbars (thanks to [fontaineshu](https://github.com/arlm/antiscroll/commit/30eeadf3974eaca7b8363802fe17114da8c8971e))
* Minor fixes due to all the merges