add changelog

Author: Gunter Grodotzki

CHANGELOG.md

@@ -0,0 +1,16 @@
+# Changelog
+
+## 0.1.5 - 2015-05-02
+
+### Fixed
+
+- some minor logical fixes and typos
+
+### Added
+
+- `Domain::setBillingContact`: set billing contact while creating domains (thx @jbarbede)
+- `Domain::addBillingContact`: add billing contact while updating domains (thx @jbarbede)
+- `Domain::removeBillingContact`: remove billing contact while updating domains (thx @jbarbede)
+- `Client::login`: add ability to passthrough svcExtensions via Client config (thx @jbarbede)
+- `Transfer`: add query type operation
+- NicMX Extension (thx @jbarbede)