Added a lot of todo things.

app/Handlers/Events/ConnectJournalToPiggyBank.php

@@ -44,6 +44,7 @@ class ConnectJournalToPiggyBank
 
         $amount = TransactionJournal::amountPositive($journal);
         // if piggy account matches source account, the amount is positive
+        // TODO support split journals
         if ($piggyBank->account_id == TransactionJournal::sourceAccount($journal)->id) {
             $amount = bcmul($amount, '-1');
         }