Merge pull request slack-go#951 from JustinJudd/patch-1

Use GET /audit/v1/logs instead of POST

Merge pull request slack-go#938 from lch88/fix-missing-token-when-fil…

…e-upload

Add missing token values when uploading a file

Merge pull request slack-go#923 from im-kulikov/socketmode-pass-context

[socketmode] Add methods with passing context

Merge pull request slack-go#921 from kozl/master

Fix authorization on methods which uses get requests

Merge pull request slack-go#868 from sryoya/remove_user_parameter_fro…

…m_-SetUserRealName

Remove the unnecessary parameter from SetUserRealName and update optional param handling in profile setting

Merge pull request slack-go#854 from slack-go/fix-851

Fix unintended json marshalling error