Inexorabletash Polyfill Versions Save

• Advance ECMAScript 2017 additions to es2017.js script
• URL: Workaround for Opera Mini. Resolves #138
• ES6 fix for IE9 and sorting fix in polyfill. Resolves #137

• Fix byteCaseInsensitiveMatch function bug (#133)

Also, the minifying script had silently broken. Ensure the minified (.min.js) files are updated.

• 'use strict' for most scripts
• Add Element.closest (issue #132)
• Make Keyboard work in strict mode (issue #131)

Thanks to Alexander Nanberg for Element.closest() submission.

• List only one JS file in bower.json's main group. Resolves #123
• Upgrade QUnit to 2.1.1
• URL: Support sequence/record constructor inits. Resolves #119

Add CustomEvent polyfill c/o Andres Rios

IE8 fixes:

• Make DOM mixins not throw on IE8
• Minify with uglify2's --support-ie8 option to eliminate errors using minified source
• Tweak workaround in Object.getOwnPropertyNames to satisfy IE devtools

Other:

• URLSearchParams iterators should have @@iterator
• Remove unnecessary helpers

• Fix assertion error in min.js version if Array.prototype.includes polyfill is necessary (assertions should be removed during minification)
• Remove duplicate fetch and url definitions in web.js and polyfill.js (and minified versions)

• Remove setImmediate from gestalt polyfills (no longer on track for standardization)
• Move bindata from experimental to obsolete
• ECMAScript proposed features: Add Promise .finally and .try, Map/Set .of/.from.
• Convert tests to QUnit v2
• Keyboard events: Updated keyFixTable for older browsers