full differences can be viewed using `git log --oneline --decorate --color v0.5.0..v0.6.0`
thanks to everyone who has contributed since January!
#### Breaking Changes:
- Info struct has had fields removed related to deprecated functionality by slack.
- minor adjustments to some structs.
- some internal default values have changed, usually to be more inline with slack defaults or to correct inability to set a particular value. (Message Parse for example.)
##### Highlights:
- new slacktest package easy mocking for slack client. use, enjoy, please submit PRs for improvements and default behaviours! shamelessly taken from the [slack-test repo](https://github.com/lusis/slack-test) thank you lusis for letting us use it and bring it into the slack repo.
- blocks, blocks, blocks.
- RTM ManagedConnection has undergone a significant cleanup.
in particular handles backoffs gracefully, removed many deadlocks,