Add a few debugging statements for simhash #1583

Job	Run time
build-docker (internet.nl, docker/Dockerfile, app)	1m 26s
build-docker (unbound, docker/Dockerfile, unbound)	1m 2s
build-docker (linttest, docker/Dockerfile, linttest)	2m 45s
build-docker (test-runner, docker/test-runner.Dockerfile)	1m 14s
build-docker (webserver, docker/webserver.Dockerfile)	53s
build-docker (grafana, docker/grafana.Dockerfile)	1m 11s
build-docker (util, docker/util.Dockerfile)	1m 11s
docs	1s
batch-integration-test	2m 57s
development-environment-test	2m 37s
integration-test	3m 30s
lint/check	52s
test	2m 31s
	22m 10s

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