#331 Basic tabpanel is now working 4.x-dev tip

#331 Keyboard switching 4.x-dev

* Textwrap support for Label, Button and Checkbox 4.x-dev

#331 TabPanel is now functional 4.x-dev

* A few fixes in generator 4.x-dev

#331 Partial template design 4.x-dev

* Design for TabPanel 4.x-dev

* Timeout and interval functionality 4.x-dev

* Run once is now guarded and allows any function with any number of parameters 4.x-dev

* Color fixes and new functions 4.x-dev

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