Update Updating and release notes

Updating-and-release-notes.md

@@ -1,4 +1,4 @@
-### Current version: `3.0.0b42`
+### Current version: `3.0.0b43`
 
 You can check the version installed by running `obi --version`
 
@@ -21,6 +21,9 @@ python3 setup.py install
 
 ### Release notes:
 
+* `3.0.0b43`:
+  - Dictionaries with one key are now handled
+
 * `3.0.0b42`:
   - `import`: improved Genbank file parser