Add new release info

Add changelog for 1.3.2

Document v1.3.1

Merge pull request #40 from mna/wip-next

v1.3.0

Fix links to new godoc

Update readme

update doc

append actual error messages when returning "all nodes failed"

Merge branch 'iwanbk-add-get-timeout', fixes #22

Merge branch 'letsfire-master', closes #17