Windows Compatibility

Fix an issue with directory separators

1.1.3: Fix fatal error in PNG thumbnail creation

Fix cache expiration preference

Bug Fixes Galore

Found a lot of small bugs while rolling out the overhaul to my sites. This version resolves PHP5.3 compatibility problems.

Composer-ified!

And generally, better-ified. I've gutted the script and updated it to be much more maintainable. The readme is now comprehensive as well.