v4.0.0 Upgrade

[followbl]

Thanks for the upgrade work @mohsinulhaq went really smooth - only thing I would note - or might consider adding to your release notes is the css for positioning was a breaking change for me.

Again - thanks for the work 🎈 🎉 🥇

[mohsinulhaq]

@followbl just to clarify, have you copied our CSS file content to your own instead of importing it directly?

[followbl]

Yea - just because I wanted to adjust the tooltip css ever so slightly. Totally on me - just figured I'd flag it as it may help others with the upgrade