Merge branch 'ecchronos-3.0' into ecchronos-4.0 #921

Job	Run time
tests (Unit tests, test jacoco:report, 3.6, 8)	8m 4s
tests (Style check, compile com.mycila:license-maven-plugin:check pmd:pmd pmd:cpd pmd:check pmd:c...	6m 58s
tests (OSGi integration, install -P docker-integration-test,osgi-integration-tests -Dit.cassandra...	10m 59s
tests (Standalone integration 3.0, verify -P docker-integration-test,standalone-integration-tests...	12m 47s
tests (Standalone integration 3.11, verify -P docker-integration-test,standalone-integration-test...	11m 14s
tests (Standalone integration 4.0 (Java 8), verify -P docker-integration-test,standalone-integrat...	12m 53s
tests (Standalone integration 4.0 (Java 11), verify -P docker-integration-test,standalone-integra...	13m 43s
tests (Python 2.7 integration (Cassandra 3.11, Java 8), verify -P docker-integration-test,python-...	7m 5s
tests (Python 3.6 integration (Cassandra 3.11, Java 8), verify -P docker-integration-test,python-...	11m 13s
tests (Python 3.6 integration (Cassandra 4.0, Java 11), verify -P docker-integration-test,python-...	11m 22s
	1h 46m 18s

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