Fixed versions of npm dependencies for save backward compatibility
fix(index.js): require syntax for LiveScript 1.2.0

This reverts commit 26ad4a7e794a5d7d833d132e88ac400b379b2147.
chore(package.json): don't bump version manually
test(main.ls): fix require syntax for LiveScript 1.2.0
chore(package.json): bump version to 1.2.1