v1.3.0

• Modernizr is now optional
• Fixed issues in Safari detection
• Fixed issues in Opera Next detection
• Fixed issues in IE version detection
• Improved Firefox detection
• Moved off Grunt to Gulp
• Moved to rollup for UMD and node transpiling
• Migrated all code to ES6
• All tests are stored as separate files now
• Allows css class tagging to be turned of by adding defunctr-off
• Adding flow
• Build now occurs on Node 6.9+
• Updated dependencies to current versions