jQuery RS Carousel is a responsive and touch-enabled carousel written on top of jQuery and the jQuery UI Widget Factory providing a full and familiar API in less than 2.6kB minified and gzipped.
In your online demo, I think JavaScript accepts the 0.5 as a float, however the addition of .1 seems to be causing problems so I just quoted the version number as a string.
Looks like 0.5.1 is being treated as a string in safari causing a syntax error. Quoting it allows for the demo to work.