Fix AbstractSWCommand register

src/de/steamwar/command/AbstractSWCommand.java

@@ -144,16 +144,20 @@ public abstract class AbstractSWCommand<T> {
         for (Method method : methods) {
             add(Register.class, method, i -> i > 0, true, null, (anno, parameters) -> {
                 if (!anno.help()) return;
+                boolean error = false;
                 if (parameters.length != 2) {
                     commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking parameters or has too many");
+                    error = true;
                 }
                 if (!parameters[parameters.length - 1].isVarArgs()) {
                     commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the varArgs parameters as last Argument");
+                    error = true;
                 }
                 if (parameters[parameters.length - 1].getType().getComponentType() != String.class) {
                     commandSystemWarning(() -> "The method '" + method.toString() + "' is lacking the varArgs parameters of type '" + String.class.getTypeName() + "' as last Argument");
-                    return;
+                    error = true;
                 }
+                if (error) return;
                 commandHelpList.add(new SubCommand<>(this, method, anno.value(), new HashMap<>(), new HashMap<>(), true, null, anno.noTabComplete()));
             });