Release 0.5.1

docs/release/release_notes.md

+## Information
+
+Releases use the following numbering system:
+**{major}.{minor}.{incremental}**
+
+Where:
+* major: Major refactoring or rewrite - make sure you read and test very carefully!
+* minor: Breaking change in some circumstances, or a new feature. Read carefully and make sure you understand the impact of the change.
+* incremental: A "safe" change / improvement. Should *always* be safe to upgrade.
+
+## Release 0.5.1
+
+* Fix getBillingEmail() to work in more circumstances and add tests
+
 ## Release 0.5
 
 * Add Contribution.GetBalance API

info.xml

@@ -13,8 +13,8 @@
     <url desc="Support">https://www.mjwconsult.co.uk</url>
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
-  <releaseDate>2019-10-23</releaseDate>
-  <version>0.5</version>
+  <releaseDate>2019-11-01</releaseDate>
+  <version>0.5.1</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.13</ver>