Add searching tools to acces fonts
Possibility to change the background color of widget through property
Possibility to change the layout of the content container when creating the root application
Use methods to override to make specific widget position computation when deriving from layout
Add slider as widget and integrate them in example
Correct default font to be the same if nothing changed in the font directory
Correct widget and layout for bad settings of width and height in minimal sizes
Bad management of modified text corrected
Include spinner in widgets
Correct problems with delete not done at the good moment by system