Make the brigadier mapper a bit smarter

cloud-core/src/main/java/com/intellectualsites/commands/exceptions/InvalidSyntaxException.java

@@ -67,4 +67,14 @@ public class InvalidSyntaxException extends CommandParseException {
         return String.format("Invalid command syntax. Correct syntax is: %s", this.correctSyntax);
     }
 
+    @Override
+    public final synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+
+    @Override
+    public final synchronized Throwable initCause(final Throwable cause) {
+        return this;
+    }
+
 }

cloud-core/src/main/java/com/intellectualsites/commands/exceptions/NoPermissionException.java

@@ -67,4 +67,14 @@ public class NoPermissionException extends CommandParseException {
         return this.missingPermission;
     }
 
+    @Override
+    public final synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+
+    @Override
+    public final synchronized Throwable initCause(final Throwable cause) {
+        return this;
+    }
+
 }

cloud-core/src/main/java/com/intellectualsites/commands/exceptions/NoSuchCommandException.java

@@ -75,4 +75,14 @@ public final class NoSuchCommandException extends CommandParseException {
         return this.suppliedCommand;
     }
 
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
+
+    @Override
+    public synchronized Throwable initCause(final Throwable cause) {
+        return this;
+    }
+
 }