Feature/get to head #27

Job	Run time
containers / Create container: xenial	1s
containers / Create container: bionic	1s
containers / Create container: focal	2s
containers / Create container: docurium	2s
containers / Create container: bionic-x86	2s
containers / Create container: bionic-arm32	4s
containers / Create container: bionic-arm64	5s
containers / Create container: centos7	2s
containers / Create container: centos8	1s
Generate documentation	51s
Build: Linux (Xenial, GCC, OpenSSL)	7m 33s
Build: Linux (Xenial, GCC, mbedTLS)	6m 33s
Build: Linux (Xenial, Clang, OpenSSL)	8m 4s
Build: Linux (Xenial, Clang, mbedTLS)	8m 31s
Build: macOS	1m 16s
Build: Windows (amd64, Visual Studio, Schannel)	1m 5s
Build: Windows (x86, Visual Studio, WinHTTP)	1m 10s
Build: Windows (amd64, mingw, WinHTTP)	58s
Build: Windows (x86, mingw, Schannel)	58s
Build: Sanitizer (Memory)	28s
Build: Sanitizer (UndefinedBehavior)	44s
Build: Sanitizer (Thread)	38s
Build: Linux (SHA256, Xenial, Clang, OpenSSL)	6m 40s
Build: macOS (SHA256)	1m 12s
Build: Windows (SHA256, amd64, Visual Studio)	1m 30s
Test results	4s
	48m 35s

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