Set "this" to target slide. Fixes request in #42.
Merge pull request #160 from bgutschke/master

Minor tweak for default callback functions.
Merge pull request #143 from jtwalters/master

Set "this" to target slide. Fixes #42.
New minified version
Updates changelog.
Updates version
Minor fixes to callbacks
New minified version
Adds new demo urls
Updates changelog