Mastodon-py

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* Several small bugfixes (thanks codl)
* Mastodon v2.1.2 compatibility
* Added instance_activity()
* Added instance_peers()
* Fixed StreamListener breaking when listening to more than one stream (again thanks, codl)
* POTENTIALLY BREAKING CHANGE: Remvoved handle_line, which should have been an internal helper to begin with

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* Internal stability changes and fixes to streaming code
* Fixed async parameter being ignored in two streaming methods

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* BREAKING CHANGE: Renamed streaming functions to be more in line with the rest
* POTENTIALLY BREAKING CHANGE: Added attribute-style access for returned dicts
* Mastodon v2.1.0 compatibility
* Added custom_emojis()
* Added list(), lists(), list_accounts()
* Added list_create(), list_update(), list_delete()
* Added list_accounts_add(), list_accounts_delete()
* Added account_lists()
* Added timeline_list()
* Added stream_list()
* Added automatic id unpacking
* Added api versioning
* Added a large amount of tests (MASSIVE thanks to codl)
* Added asynchronous mode to streaming api (Thanks Kjwon15)
* Added CallbackStreamListener
* Improved documentation for the streaming API
* Various fixes, clarifications, et cetera (Thanks Dryusdan, codl)

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* 2.0 id compatibility (thanks codl)
* Added emoji support
* Media alt-text support (thanks foozmeat)
* Python2 fixes (thanks ragingscholar)
* General code cleanup and small fixes (thanks codl)
* Beginnings of better error handling (thanks Elizafox)
* Various documentation updates

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* Emergency fix to allow logging in to work (thanks codl)

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* BREAKING CHANGE: Added date parsing to the response parser
* Added notification dismissal
* Added conversation muting
* Updated documentation
* Added asynchronous mode for the streaming API
* Fixed several bugs (thanks ng-0, LogalDeveloper, Chronister, Elizafox, codl, lambadalambda)
* Improved code style (thanks foxmask)