tests

Merge pull request #209 from benprisby/download-limit #402

Job	Run time
build (-Dsystemd=disabled)	4m 37s
build (-Dsystemd=enabled)	4m 25s
build (-Dsystemd=disabled, CFLAGS="-fsanitize=address -fsanitize=leak -g" LDFLAGS="-fsanitize=add...	4m 35s
build (-Dsystemd=enabled, CFLAGS="-fsanitize=address -fsanitize=leak -g" LDFLAGS="-fsanitize=addr...	4m 26s
uncrustify	40s
docs	27s
	19m 10s

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