Tweaked the readme
Initial upgrading guide
Added more stuff to the upgrading guide
Autoloading doesn't need a new section
Tweaked the upgrading guide
Extended the upgrading guide intro
Minor corrections to the upgrade guide
Added more usage docs to the readme
Corrected a typo
Updated the last part of the readme
Minor readme cleanup
Corrected a typo
Fixed a few minor issues in the upgrading guide
Added more exception docs
Updated diagram
Updated the factory definitions 1.5 upgrading guide
Merge pull request #193 from GrahamCampbell/upgrading

Added An Upgrade Guide And Better Usage Docs