Extend Slideshow's goTo* Methods
Extend Slideshow's goTo* Methods

* Return true/false based on whether page change occured
* Allow passing options

luatdolphin/pageflow,Modularfield/pageflow,tilsammans/pageflow,schoetty/pageflow,grgr/pageflow,YoussefChafai/pageflow,codevise/pageflow,tf/pageflow,BenHeubl/pageflow,luatdolphin/pageflow,tf/pageflow,codevise/pageflow,tf/pageflow-dependabot-test,codevise/pageflow,YoussefChafai/pageflow,Modularfield/pageflow,grgr/pageflow,Modularfield/pageflow,grgr/pageflow,schoetty/pageflow,tilsammans/pageflow,codevise/pageflow,tf/pageflow,YoussefChafai/pageflow,tf/pageflow-dependabot-test,tilsammans/pageflow,Modularfield/pageflow,BenHeubl/pageflow,BenHeubl/pageflow,tf/pageflow,tf/pageflow-dependabot-test,luatdolphin/pageflow,tf/pageflow-dependabot-test,schoetty/pageflow,tilsammans/pageflow