Merge pull request #8 from JavaWebStack/fix-private-fields

Hopefully fixed errors with private fields

Author: JanHolger

src/main/java/org/javawebstack/abstractdata/mapper/MapperTypeSpec.java

@@ -98,6 +98,7 @@ public List<FieldSpec> getFieldSpecs() {
     }
 
     public Field getAdditionalField() {
+        additionalField.setAccessible(true);
         return additionalField;
     }
 
@@ -112,6 +113,7 @@ public static class FieldSpec {
         private Map<Class<? extends Annotation>, List<Annotation>> annotations = new HashMap<>();
 
         public Field getField() {
+            field.setAccessible(true);
             return field;
         }