Encapsulate TfpgStyle's font objects
Encapsulate TfpgStyle's font objects

Now the TfpgStyle class will free the font objects if they are reassigned
No more memory leaks or manually freeing the font objects first.

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI