Make image('png') and image('jpeg') informative (pending), instead of pass/fail
Update history
Tweak test
Rename event types in toCanvas() and toImage()
Remove unnecessary call to getValue() in data()
Call off() on remove() and empty() to prevent native event listeners remaining bound to elements, in case element reinserted into the DOM. Closes #73
Allow attributes object argument in Pablo(markup, attr). Close #82
Add stagger() for delayed execution of a callback for each element in the collection, e.g. for animation
Cleanup unused vars
Refactor toImage(), toCanvas and related; rename toSingleSvg() to withViewport(); add Pablo(dataUrl), Pablo.support.png() & Pablo.support.jpeg()
Allow collection creation via data URL
v0.3.5