Set of commits to be tagged v0.16.4

Changelog

• Type error likely introduced by a DocOpt update fixed (#311 (closed))
• Updated dependencies (see below)

Other changes were part of untagged v0.16.3 (the corresponding Docker image was published, though):

• larvatagger.sh reverse-mapping command to trigger MaggotUBA-adapter's script revert_label_mapping.jl

Associated releases:

• PlanarLarvae v0.14a2
• TaggingBackends v0.15.3
• MaggotUBA-adapter v0.16.4