6.x--1-1-beta5 (released in conjunction with Popups: Add and Reference).
New Features
 * Moving content selector settings to per-theme.
 * Removed page title select (until I get it working better).
 * targetSelector now working properly.
 * Final messages now auto-close by default.
 * More tests added to /popups/test
 * Added some fun CSS3 effects to the default skin.
Bug Fixes
 * class='popups' was reloading entire content area.
 * forceReload wasn't testing correctly.
 * Popup chaining triggers warning message, instead of ugly mess.
TODO
 * Better handling for "access denied" messages. 
 * Get popup chaining working.