def changeKeybind(self,kbname,combo):
        """
        Changes a keybind of a specific keybindname.
        
        :param str kbname: Same as kbname of :py:meth:`add()`
        :param str combo: New key combination
        """
        for key,value in self.keybinds.items():
            if kbname in value:
                del value[value.index(kbname)]
                break
        if combo not in self.keybinds:
            self.keybinds[combo]=[]
        self.keybinds[combo].append(kbname)
        self.peng.sendEvent("peng3d.keybind.change",{"peng":self.peng,"kbname":kbname,"combo":combo})
Changes a keybind of a specific keybindname.
        
        :param str kbname: Same as kbname of :py:meth:`add()`
        :param str combo: New key combination