1.1.2 - Who cares disk size

Add

• API for calculation total disk cache size.
• API for modifying request before sending it.
• Handle challenge when accessing a server trust site.

Fix

• Fix grammar in README.
• Fix demo project to make it simpler.

1.1.0 - Not only image

Add

• UIButton extension.

Fix

• Fix typo in project.
• Improve documentation.

1.0.0 - Kingfisher, take off

First public release.