unix socket and dual-stack support

[codecov[bot]]

Codecov Report

Merging #9 (111b454) into master (91fee9c) will increase coverage by 0.12%. Report is 1 commits behind head on master. The diff coverage is 98.43%.

@@            Coverage Diff             @@
##           master       #9      +/-   ##
==========================================
+ Coverage   91.12%   91.25%   +0.12%     
==========================================
  Files          19       19              
  Lines        1634     1681      +47     
==========================================
+ Hits         1489     1534      +45     
- Misses        145      147       +2     

Files Changed	Coverage Δ
tremolo/lib/contexts.py	100.00% <ø> (ø)
tremolo/tremolo.py	90.98% <97.82%> (+0.40%)	:arrow_up:
tremolo/__main__.py	90.69% <100.00%> (+0.22%)	:arrow_up:
tremolo/lib/http_request.py	88.28% <100.00%> (ø)
tremolo/lib/http_response.py	95.83% <100.00%> (+0.18%)	:arrow_up:

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