v0.0.2

• Addition of CaptionSlide.
• Can now add a function that callsback on a slide change. Use onSlideChange.
• Add an option to show current slide number using showSlideNumber.
• Slides in PresentationWidget will now be sized to a pre set resolution and scales accordingly to window size. To change resolution use slideSize and packaged with it, use slideFit to specify how slide fits in the screen.