Bugfix More than 100 Channels

• fixes #84

Conversation API

• using conversation api throughout the code to avoid the deprecated channels, ims, groups, and mpim apis

Message Replies

integrates #75 which iterates over messages replies properly. Moreover, it handles tombstone messages which are generated when one deletes the thread start message.

PyPi Release

first version that is published via pypi thanks to the migration of the project to my account.

Release 0.6.0 - Bugfixing

closes #47 by using the conversation api since converted public channels doesn't show up as groups.

feature release: pattern match attachments

see #36

current release

Merge pull request #27 from sgratzl/unicode_output

fix #26 unicode merging