Merge pull request javascript-obfuscator#458 from javascript-obfuscat…

…or/split-string-template-literal

The `splitStrings` option now correctly splits strings inside objects

Merge pull request javascript-obfuscator#457 from javascript-obfuscat…

…or/split-string-template-literal

The `splitStrings` option now affects template literal strings

Merge pull request javascript-obfuscator#456 from javascript-obfuscat…

…or/split-strings

`splitString` and `splitStringChunkLength` options

Merge pull request javascript-obfuscator#453 from javascript-obfuscat…

…or/issue-452

Use of `eventemitter3` instead of `events` module

Merge pull request javascript-obfuscator#448 from javascript-obfuscat…

…or/bug/chalk-requires-node-8

Dependency Chalk.js requires Node.js version 8 now

Updated CHANGELOG.md

0.18.5 version. Dependencies update

0.18.4 version

Updated travis CS node versions

0.18.1 version