Pymumble

What's Changed
* Allow usage of pymumble without libopus when receive_sound is off by raek in https://github.com/azlux/pymumble/pull/118
* Listening channel support by Dalrae1 in https://github.com/azlux/pymumble/pull/120
* Update Mumble protocol & bump protobuf by twokilohertz in https://github.com/azlux/pymumble/pull/124
* Add ability to flag as bot connection by GameOneYT in https://github.com/azlux/pymumble/pull/127

New Contributors
Dalrae1 twokilohertz GameOneYT

Fixes list :
- Pycryptodome compatibility b85548a Infinisil
- Manage duplicate ACL user entries 18ea986
- Better ask function and README 1a45545
- Connection error when IP lookup fail 738b479 raek

and that all. No new feature.
Have a good day.

New release for some new features :
- Adding new ACLs functionalities. Commit bebeb12
- Adding new methods for channel administration 922a9a2 (pramadhana92)

**See API.md modification to check the function to use**

Other :
- New ffmpeg example (bitconnector)

I write this release to make available for everyone One feature.
- Having a kick/ban feature for your bot (thank CaptainZidgel). See [API.md changes](https://github.com/azlux/pymumble/commit/754b4f4da6746bb988ad7286713879742686d25c#diff-b161966f7254af9c9c5382e859495c69622843e4602a6bb4208e08134e66012)
- Adding `restricted_lowdelay` opus profile.

Fix:
- `is_alive` function (thank MartB).

New :
- Add unlink channel functions by pramadhana92 16a420a
- Ability to set a positional context and position (76) by yquemener 5011492
- Added ACL querying by CaptainZidgel 61b1d38
- Add OCB2 crypto for use in UDP implementation by anewusername 0a73dfc

The Readme and API.md have been updated according to the new features.
As you can see, most are about management/ACL (that I don't personnally use).
Thank to the dev who have make the implementations, and the users who will use it.

The OCB2 is a great step to **restart** the UDP implementation.

Fix:
- Flip ready lock and callback by azlux 9273092

This version is to fix missing files into pypi.