Merge pull request #36 from getaaron/patch-1

Update README.md

Merge pull request #35 from giulio92/feature/xcode-10

Update README.md

Reduce warnings

Update SwiftLint rules

Update .storyboard files

Update Swift syntax to 4.2

Update README.md

Update README.md

Update project files

Format source code

Update license

Update .xib & storyboard files

Update stale.yml