Cache the offsetHeight and offsetTop as properties of the list items instead of using a WeakMap. This won't leak memory as we only cache numeric values.
Merge remote-tracking branch 'fgnass/master'
merged perf improvement
skew() has been remove from the spec and is no longer supported in Firefox Nightly ( see bugzil.la/734953 ). Replaced with skewY()
Merge pull request #4 from louisremi/master

Replace skew() with skewY()
Adding fade effect
tweaks; strict comparison, missing semicolon, if instead of return
remove debug code
started reworking stroll js to be more plug-in friendly
move api method to bottom
only refresh when a list is added, added unbind support
remove reset css, separate effect styles to own file
shift twitter js downwards
Merge pull request #5 from davearel/master

add basic fade effect
add twirl effect
Merge pull request #9 from edaniszewski/twirl

add twirl effect
update title of helix
plugin transformation, version numbers in files, comments
optimization via simple exclusion
added minified script