Go1.15 is released

[shogo82148]

No description provided.

[codecov]

Codecov Report

Merging #58 into master will increase coverage by 2.17%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #58      +/-   ##
==========================================
+ Coverage   71.35%   73.52%   +2.17%     
==========================================
  Files          11       11              
  Lines        1288     1288              
==========================================
+ Hits          919      947      +28     
+ Misses        302      272      -30     
- Partials       67       69       +2     

Impacted Files	Coverage Δ
hooks.go	89.27% <0.00%> (+2.33%)	⬆️
conn.go	67.07% <0.00%> (+6.58%)	⬆️

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[coveralls]

Coverage increased (+2.3%) to 78.571% when pulling ca858c7 on go1.15-is-released into 22c05cb on master.