v1.4.0

• throw error when calling init multiple times
• throw error when adding elements before having called init before
• reduce file size even further (7kb -> 6.2kb)
• check for scrollbar-width css support on init

v1.3.2

• reduce file size of scrollbar.min.js (8kb -> 7kb)
• forget to bump version in scrollbar.min.js copyright comment, oops!

v1.3.1

• make project an npm package
• change license to ISC, which is basically the same as MIT

v1.3.0

• scrollbarjs.init() now returns an object with various metadata about the browsers scrolling properties