Make multiple small improvements

src/main/java/wtf/beatrice/hidekobot/Cache.java

@@ -217,7 +217,7 @@ public class Cache
     public static long getExpiryTimeSeconds() { return expiryTimeSeconds; }
 
 
-    public static String getBotName() { return botName; };
+    public static String getBotName() { return botName; }
 
     /**
      * Get the bot's version.

src/main/java/wtf/beatrice/hidekobot/HidekoBot.java

@@ -192,13 +192,13 @@ public class HidekoBot
         // start scheduled runnables
         ScheduledExecutorService scheduler = Cache.getTaskScheduler();
         ExpiredMessageTask expiredMessageTask = new ExpiredMessageTask();
-        scheduler.scheduleAtFixedRate(expiredMessageTask, 5, 5, TimeUnit.SECONDS); //every 5 seconds
+        scheduler.scheduleAtFixedRate(expiredMessageTask, 5L, 5L, TimeUnit.SECONDS); //every 5 seconds
         HeartBeatTask heartBeatTask = new HeartBeatTask();
-        scheduler.scheduleAtFixedRate(heartBeatTask, 10, 30, TimeUnit.SECONDS); //every 30 seconds
+        scheduler.scheduleAtFixedRate(heartBeatTask, 10L, 30L, TimeUnit.SECONDS); //every 30 seconds
         StatusUpdateTask statusUpdateTask = new StatusUpdateTask();
-        scheduler.scheduleAtFixedRate(statusUpdateTask, 0, 60 * 5, TimeUnit.SECONDS); // every 5 minutes
+        scheduler.scheduleAtFixedRate(statusUpdateTask, 0L, 60L * 5L, TimeUnit.SECONDS); // every 5 minutes
         RandomSeedTask randomSeedTask = new RandomSeedTask();
-        scheduler.scheduleAtFixedRate(randomSeedTask, 0, 60, TimeUnit.SECONDS); // every minute
+        scheduler.scheduleAtFixedRate(randomSeedTask, 0L, 60L, TimeUnit.SECONDS); // every minute
 
         // register shutdown interrupt signal listener for proper shutdown.
         Signal.handle(new Signal("INT"), signal -> shutdown());

src/main/java/wtf/beatrice/hidekobot/commands/base/DiceRoll.java

@@ -8,6 +8,7 @@ import wtf.beatrice.hidekobot.objects.fun.Dice;
 
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
+import java.util.Map;
 import java.util.UUID;
 
 public class DiceRoll
@@ -15,8 +16,8 @@ public class DiceRoll
     public static MessageResponse buildResponse(User author, String[] args)
     {
         LinkedHashMap<Dice, Integer> dicesToRoll = new LinkedHashMap<>();
-        String diceRegex = "d[0-9]+";
-        String amountRegex = "[0-9]+";
+        String diceRegex = "d\\d+";
+        String amountRegex = "\\d+";
 
         Dice currentDice = null;
         int currentAmount;
@@ -106,9 +107,12 @@ public class DiceRoll
             totalRolls = 1;
         }
 
-        for(Dice dice : dicesToRoll.keySet())
+        for(Map.Entry<Dice, Integer> entry : dicesToRoll.entrySet())
         {
-            for(int roll = 0; roll < dicesToRoll.get(dice); roll++)
+            Dice dice = entry.getKey();
+            Integer rollsToMake = entry.getValue();
+            
+            for(int roll = 0; roll < rollsToMake; roll++)
             {
                 dice.roll();
                 rolledDices.add(new Dice(dice));

src/main/java/wtf/beatrice/hidekobot/datasources/ConfigurationSource.java

@@ -11,8 +11,6 @@ import java.util.LinkedHashMap;
 
 public class ConfigurationSource
 {
-
-
     private final LinkedHashMap<String, Object> configurationEntries = new LinkedHashMap<>();
     private final Logger logger;
     private final String configFilePath;