Merge pull request #112 from raspu/develop

Merge develop into master

Merge pull request #106 from NachoSoto/master

Fallback to `highlightAuto` if highlighting fails

Merge pull request #105 from apps-fab/master

Highlight.js updated to v11.9.0

Merge pull request #80 from woxtu/spm

Add Swift Package Manager support

Update README.md

Swift 4.2, lighter assets, dependency injection

Using fonts without an italic variation is now supported

Ported to Swift 4, highlighter.js updated to 9.12.0

Added automatic language detection, highlighter.js 9.9.0

Updated for Swift 3.0, highlighter.js 9.8.0