Use 1.9 hashes in the readme
Change to 1.9 Hash syntax in docs
Merge pull request #338 from socialreferral/master

Use 1.9 style hash syntax in the docs
Add docs about caching
Merge pull request #344 from tjschuck/caching_docs

Add docs about caching
Update README.md

Fixed typo.
Merge pull request #348 from stiller/master

Fixed typo
add Design and Implementation section to readme

credit to @garysweaver
Merge pull request #382 from mikegee/360-design-and-implementation-wrapped

Addition of Design and Implementation section to Readme (wrapped)