docs: there are more than 50 contributors now

[jeffwidman]

Github reports 105 on the project homepage, details:
https://github.com/python-zk/kazoo/graphs/contributors

[codecov]

Codecov Report

Base: 94.63% // Head: 94.68% // Increases project coverage by +0.04% 🎉

Coverage data is based on head (7421256) compared to base (8f608f8).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #703      +/-   ##
==========================================
+ Coverage   94.63%   94.68%   +0.04%     
==========================================
  Files          57       57              
  Lines        8339     8339              
==========================================
+ Hits         7892     7896       +4     
+ Misses        447      443       -4     

Impacted Files	Coverage Δ
kazoo/recipe/barrier.py	98.96% <0.00%> (-1.04%)	⬇️
kazoo/client.py	98.40% <0.00%> (+0.15%)	⬆️
kazoo/tests/test_lock.py	98.95% <0.00%> (+0.17%)	⬆️
kazoo/protocol/connection.py	96.90% <0.00%> (+0.20%)	⬆️
kazoo/testing/harness.py	98.34% <0.00%> (+0.82%)	⬆️
kazoo/handlers/eventlet.py	100.00% <0.00%> (+0.98%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[a-ungurianu]

📈