Introduction    Keyboard
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 ClrBuffer()     Empties the keyboard buffer and Lastkey() value
 FastKey()       Sets the maximum typematic rate
 Inkey2()        Does the same that Inkey() but take care of Setkey()
 IsAlt()         Determines if the Alt key is pressed
 IsCaps()        Determines if the Caps lock key is active
 IsCtrl()        Determines if the Ctrl key is pressed
 IsInsert()      Determines if Insert mode is active
 IsLShift()      Determines if the Left Shift key is pressed
 IsNum()         Determines if the Num lock key is active
 IsRShift()      Determines if the Right Shift key is pressed
 IsScroll()      Determines if the Scroll lock key is active
 KeyScan()       Extracts a character from the keyboard buffer
 KeyStuff()      Stuff a character into the keyboard buffer
 NormKey()       Sets the normal typematic rate
 SlowKey()       Sets the minimum typematic rate