Added docs to the new properties.
Added docs to the new properties.

janssen/kivy,kived/kivy,jegger/kivy,jegger/kivy,janssen/kivy,kivy/kivy,akshayaurora/kivy,rnixx/kivy,Cheaterman/kivy,rnixx/kivy,rafalo1333/kivy,darkopevec/kivy,aron-bordin/kivy,kived/kivy,janssen/kivy,autosportlabs/kivy,inclement/kivy,inclement/kivy,inclement/kivy,darkopevec/kivy,bionoid/kivy,kivy/kivy,KeyWeeUsr/kivy,KeyWeeUsr/kivy,matham/kivy,kivy/kivy,janssen/kivy,tony/kivy,tony/kivy,jegger/kivy,jkankiewicz/kivy,aron-bordin/kivy,rafalo1333/kivy,jkankiewicz/kivy,darkopevec/kivy,matham/kivy,jegger/kivy,LogicalDash/kivy,matham/kivy,rafalo1333/kivy,Cheaterman/kivy,darkopevec/kivy,bionoid/kivy,Cheaterman/kivy,jkankiewicz/kivy,LogicalDash/kivy,LogicalDash/kivy,akshayaurora/kivy,manthansharma/kivy,manthansharma/kivy,KeyWeeUsr/kivy,KeyWeeUsr/kivy,rnixx/kivy,tony/kivy,aron-bordin/kivy,LogicalDash/kivy,matham/kivy,manthansharma/kivy,jkankiewicz/kivy,autosportlabs/kivy,manthansharma/kivy,kived/kivy,bionoid/kivy,aron-bordin/kivy,autosportlabs/kivy,Cheaterman/kivy,akshayaurora/kivy,bionoid/kivy