Fix the error when either of the command handlers are null, fixes #40

These errors only happen when the plugin didn't load successfully,
you'll need to check further up in the console/server log to see what
actually caused this error.

src/main/java/com/graywolf336/jail/JailMain.java

@@ -11,6 +11,7 @@ import com.graywolf336.jail.beans.Jail;
 import com.graywolf336.jail.beans.Prisoner;
 import com.graywolf336.jail.command.CommandHandler;
 import com.graywolf336.jail.command.JailHandler;
+import com.graywolf336.jail.enums.Lang;
 import com.graywolf336.jail.enums.Settings;
 import com.graywolf336.jail.legacy.LegacyManager;
 import com.graywolf336.jail.listeners.BlockListener;
@@ -171,11 +172,16 @@ public class JailMain extends JavaPlugin {
      * Send the command off to the CommandHandler class, that way this main class doesn't get clogged up.
      */
     public boolean onCommand(CommandSender sender, Command command, String commandLabel, String[] args) {
-        if(commandLabel.equalsIgnoreCase("jail") || commandLabel.equalsIgnoreCase("j")) {
-            jh.parseCommand(jm, sender, args);
-        }else {
-            cmdHand.handleCommand(jm, sender, command.getName().toLowerCase(), args);
-        }
+    	if(jh == null || cmdHand == null) {
+    		sender.sendMessage(Lang.PLUGINNOTLOADED.get());
+    		getServer().getConsoleSender().sendMessage(Lang.PLUGINNOTLOADED.get());
+    	}else {
+            if(commandLabel.equalsIgnoreCase("jail") || commandLabel.equalsIgnoreCase("j")) {
+            	jh.parseCommand(jm, sender, args);
+            }else {
+                cmdHand.handleCommand(jm, sender, command.getName().toLowerCase(), args);
+            }
+    	}
 
         return true;//Always return true here, that way we can handle the help and command usage ourself.
     }

src/main/java/com/graywolf336/jail/enums/Lang.java

@@ -163,6 +163,8 @@ public enum Lang {
     PLAYERNOTONLINE("general"),
     /** The message sent to the sender when the plugin data has been reloaded. */
     PLUGINRELOADED("general"),
+    /** The message sent to the sender of a command when the plugin didn't start correct. */
+    PLUGINNOTLOADED("general"),
     /** The message sent whenever the prisoners are cleared from jail(s). */
     PRISONERSCLEARED("general"),
     /** The format we should use when entering a record into flatfile or showing it. */

src/main/resources/en.yml

@@ -32,6 +32,7 @@ language:
     numberformatincorrect: '&cNumber format is incorrect.'
     playercontextrequired: '&cA player context is required for this.'
     playernotonline: '&cThat player is not online!'
+    pluginnotloaded: '&cThe plugin did not load correctly, tell the administrator to check the console for errors.'
     pluginreloaded: '&9Jail data successfully reloaded.'
     prisonerscleared: '&cAll the prisoners from %0% have been cleared.'
     recordentry: '&7[%0%]: &9%1% &fjailed by &9%2% &ffor &9%3% &fminutes with a reason of &9%4%&f. [%5%]'