wrapping unrecognized XStream ConversionException in CucumberException

Author: mgurov

core/src/main/java/cucumber/runtime/table/TableConverter.java

@@ -113,7 +113,7 @@ private <T> List<T> toListOfComplexType(DataTable dataTable, Class<T> itemType)
             if (e.getCause() instanceof NullPointerException) {
                 throw new CucumberException(String.format("Can't assign null value to one of the primitive fields in %s. Please use boxed types.", e.get("class")));
             } else {
-                throw e;
+                throw new CucumberException(e);
             }
         }
     }