Update NPM Versions. Minor refactoring. Update version # & ChangeLog …

…for publish.

Update Version #

bug fix when prepending items to existing list

Update Version #

Move breaking changes to version 3.0.0

update version # & publish to npm

Add "sideEffects": true flag to package.json to prevent advanced opti…

…mizations which were causing runtime exceptions (due to get/set properties not being 'pure').

Use ng-packagr to properly format npm publish for Angular consumption…

… (Ivy support)

Switch to ES2015 Module format

Update to latest version of Angular