Merge pull request goetas-webservices#43 from mgrundkoetter/feature/issue-42

solves goetas-webservices#42 (missing doc in elementdef)

Author: goetas

src/SchemaReader.php

@@ -208,6 +208,7 @@ private function loadAttributeOrElementDef(
             $schema->addAttribute($attribute);
         } else {
             $attribute = new ElementDef($schema, $name);
+            $attribute->setDoc($this->getDocumentation($node));
             $schema->addElement($attribute);
         }