Release v3.1.16

• (René) update dependencies
• (René) bug fixes based on adapter checker recommendation

Release v3.1.15

• (René) see issue #354: change of dependencies

Release v3.1.14

• (René) see issue #354: change of dependencies

Release v3.1.13

• (René) update dependencies

Release v3.1.12

• (René) see issue #217: additional log added to understand root cause, please copy&past log output into github issue