Fix #14: Chrome sometimes sends the wrong dropEffect in dragend when it's supposed to send none
No longer require pointer-events: none
Fix #16: Stop dragover propagation if item type is not allowed
Advanced Demo to demonstrate new features
Fix #19: Add dnd-horizontal-list attribute
Demo for horizontal lists
Reformat code
Fix #16: Check in drop event if drop is allowed, always propagte if not. Improves positioning in nested lists
Improve demo for horizontal lists
Inline isElementHidden
Add original event to all callbacks. Add dnd-dragstart callback
Fixes #11, #12: Add dragover and drop callbacks
Demo for callbacks
Fix #9, allow drop from external sources
Demo for #9
Update demo
Minor code improvements
Prepare release 1.2.0
Always call preventDefault in drop handler
#14, fix Safari regression: effectAllowed is set to all