Issue #18, #19 resolved

Added pagination and sorting to the /api/pokemon endpoint

src/main/java/nl/utwente/mod4/pokemon/dao/TrainerDao.java

@@ -87,8 +87,6 @@ public enum TrainerDao {
         Instant now = Instant.now();
         newTrainer.created = dateFormatter.format(now.atZone(ZoneId.systemDefault()).toLocalDateTime());
         newTrainer.lastUpDate = dateFormatter.format(now.atZone(ZoneId.systemDefault()).toLocalDateTime());
-//        newTrainer.created = Instant.now().toString();
-//        newTrainer.lastUpDate = Instant.now().toString();
         trainers.put(nextId,newTrainer);
 
         return newTrainer;
@@ -100,8 +98,8 @@ public enum TrainerDao {
         if(trainers.get(updated.id) == null)
             throw new NotFoundException("Trainer id '" + updated.id + "' not found.");
 
-//        updated.lastUpDate = Instant.now().toString();
         Instant now = Instant.now();
+        updated.created = trainers.get(updated.id).created;
         updated.lastUpDate = dateFormatter.format(now.atZone(ZoneId.systemDefault()).toLocalDateTime());
         trainers.put(updated.id,updated);