Restore todo's

app/Repositories/Budget/BudgetLimitRepositoryInterface.php

@@ -72,7 +72,7 @@ interface BudgetLimitRepositoryInterface
     public function find(Budget $budget, TransactionCurrency $currency, Carbon $start, Carbon $end): ?BudgetLimit;
 
     /**
-     * See reference nr. 11
+     * TODO this method is not multi currency aware.
      *
      * @param Carbon|null $start
      * @param Carbon|null $end

app/Repositories/Budget/NoBudgetRepository.php

@@ -147,8 +147,8 @@ class NoBudgetRepository implements NoBudgetRepositoryInterface
 
     /** @noinspection MoreThanThreeArgumentsInspection */
     /**
-     * See reference nr. 15
-     * See reference nr. 16
+     * TODO this method does not include multi currency. It just counts.
+     * TODO this probably also applies to the other "sumExpenses" methods.
      *
      * @param Carbon                   $start
      * @param Carbon                   $end

app/Repositories/Budget/OperationsRepository.php

@@ -240,7 +240,7 @@ class OperationsRepository implements OperationsRepositoryInterface
         if ($accounts->count() > 0) {
             $collector->setAccounts($accounts);
         }
-        // See reference nr. 13
+        // TODO possible candidate for "get extracted groups" method.
         $set        = $collector->getGroups();
         $return     = [];
         $total      = [];
@@ -384,7 +384,7 @@ class OperationsRepository implements OperationsRepositoryInterface
 
     /**
      * For now, simply refer to whichever repository holds this function.
-     * See reference nr. 14
+     * TODO perhaps better in the future.
      *
      * @param Budget      $budget
      * @param Carbon|null $start