Merge pull request contentful#67 from contentful/develop

0.5.0 release - images API support

Merge pull request contentful#64 from contentful/develop

0.4.1

Merge pull request contentful#61 from contentful/develop

0.4.0 release

Merge pull request contentful#57 from contentful/bugfix/spm

Fix Package.swift

Merge pull request contentful#52 from contentful/develop

Develop

Bump version number in README and swift version file

Merge pull request contentful#23 from contentful/pod-setup

Don't use private cocoapods repo

Actually send our custom user-agent header

Specify dependencies for Carthage