Fix a small error handling (defer) issue for receive

Merge pull request Jacalz#8 from Jacalz/develop

Changes for release version 2.1.0

Update README as well

Fix spelling in CHANGELOG

Add release notes for 2.0.0

Add changes for 1.3.0

Lots of changes for 1.2.0

New features and fixes for 1.1.0

Complete basic functionality for first release