Update project to 1.10.0

Update version 1.9.4

Add release 1.9.3

Update version to 1.9.2

Specify Swift range version from 4.2-5

Update documentation

Merge pull request layoutBox#210 from layoutBox/fix_podspec_for_swift…

…_5.1.1

Update the podspec to support all Swift versions

Update podspec to specify explicitly supported swift versions: ['4.2'…

…, '5.0', '5.1']

Update version to 1.8.11

Update to version 1.8.10