Merge pull request #1133 from sozu-proxy/devel/edemolis/fix/pipe-soft… #3016

Job	Run time
Coverage	5m 44s
Build documentation	2m 32s
Docker build and push to Docker Hub	19s
Test (false, stable)	3m 15s
Test (false, beta)	3m 20s
Test (nightly, true)	2m 52s
	18m 2s

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