[GNC] Importing

[Sherlock]

For those interested, here is a summary of the matching algorithm:


Amount:

    equal                                            +3
    within the atm fee threshold                     +2
    outside the atm threshold                        -5


Date:

   an exact match                                    +3
   within the likely match                           +2
   between the likely match and the unlikely match    0
   outside the unlikely match                        -5


Check Number if available:

   an exact match                                    +4
   not a match                                       -2


Memo if available:

   a full case-insensative match                     +2
   first half match                                  +1


Description if available:

   a full case-insensative match                     +2
   first half match                                  +1




If the score is less than match display threshold, not a match: 
      ADD

If the score is not the best match: 
      ADD

Best matches:

   Score greater than or equal to auto-clear threshold:

     If update match action is enabled and amount and date are exact 
matches:  UPDATE
     Otherwise: 
       CLEAR

   Score is less than or equal to the auto-add threshold: 
       ADD

   Score is less than the auto-clear threshold and
   greater than the auto-add threshold:

     If skip transaction action enabled: 
       SKIP
     If update match action enabled: 
       UPDATE
     Otherwise: 
       ADD