Security upgrades

node_modules/helmet-crossdomain/CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+
+## 0.4.0 - 2019-06-15
+### Added
+- Added TypeScript type definitions. See [#7](https://github.com/helmetjs/crossdomain/issues/7)
+- Created a changelog
+- Added additional package metadata
+
+### Changed
+- Excluded some files from npm package
+
+Changes in versions 0.3.0 and below can be found in [Helmet's changelog](https://github.com/helmetjs/helmet/blob/master/CHANGELOG.md).