Freestyle

This version contains an overhaul of the styling mechanism and the creation of a simple theming capability. It also features improvements over textBoxes, numberBoxes and the addition of a slider element.

This also contains a draft version of an alternative black theme. To be improved on future versions.

This is a bugfix

This fixes the behavior of slider returning non false on change.
This also make numberField to accept floats and sliders to accept any number