Merge pull request #107 from kwvg/bump_1.3.5 #410

Job	Run time
macos-latest, cmake, gcc, easy backend	41s
macos-latest, cmake, gcc, gmp backend	41s
macos-latest, cmake, clang, easy backend	38s
macos-latest, cmake, clang, gmp backend	37s
macos-latest, autotools, gcc, easy backend	1m 10s
macos-latest, autotools, gcc, gmp backend	1m 2s
macos-latest, autotools, clang, easy backend	1m 22s
macos-latest, autotools, clang, gmp backend	1m 23s
ubuntu-20.04, cmake, gcc, easy backend	1m 31s
ubuntu-20.04, cmake, gcc, gmp backend	1m 27s
ubuntu-20.04, cmake, clang, easy backend	1m 30s
ubuntu-20.04, cmake, clang, gmp backend	1m 43s
ubuntu-20.04, autotools, gcc, easy backend	2m 6s
ubuntu-20.04, autotools, gcc, gmp backend	2m 2s
ubuntu-20.04, autotools, clang, easy backend	2m 1s
ubuntu-20.04, autotools, clang, gmp backend	1m 58s
	21m 52s

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