Updated version to 1.13.4

Updated version to 1.13.3

Updated version to 1.13.2

Updated version to 1.13.1

Upgrade minor version and revise CHANGELOG

Updated version to 1.12.2

Updated version to 1.12.1

Merge pull request lasso-js#83 from patrick-steele-idem/master

Fixes lasso-js/lasso-minify-js#1 - Upgraded UglifyJS

Updated version to 1.11.12

Updated version to 1.11.11