An input handler to help left handed Amiga users.  It reverses the function
of the mouse buttons, so that the left button becomes the right and vice
versa.  Very small, uses only 168 bytes of memory.  

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  239     624  38.3% -lh5- 31f2 Jun  6  1991 ButExchange.info
[generic]                   54      60  90.0% -lh5- f0cb Jun  6  1991 ButExchange/.info
[generic]                  891    1288  69.2% -lh5- 834e Jun  6  1991 ButExchange/ButExchange
[generic]                 4400   13670  32.2% -lh5- d8d9 Jun  6  1991 ButExchange/ButExchange.asm
[generic]                  163     474  34.4% -lh5- 3010 Jun  6  1991 ButExchange/ButExchange.asm.info
[generic]                  571    1241  46.0% -lh5- 8c28 Jun  6  1991 ButExchange/ButExchange.doc
[generic]                  160     474  33.8% -lh5- 7f7a Jun  6  1991 ButExchange/ButExchange.doc.info
[generic]                  381    1162  32.8% -lh5- 30d3 Jun  6  1991 ButExchange/ButExchange.info
[generic]                  124     151  82.1% -lh5- ec20 Jun  6  1991 ButExchange/ReadMe.fnf
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files    6983   19144  36.5%            Jun  6  1991