Log Message:
sord: updated to 0.16.16

sord (0.16.16) stable; urgency=medium

* Allow SORD_API to be defined by the user
* Fix command line help interface of sord_validate
* Fix dependencies in pkg-config file
* Override pkg-config dependency within meson
* Port sord_validate to pcre2
* Switch to external zix dependency

sord (0.16.14) stable; urgency=medium

* Adopt REUSE machine-readable licensing standard
* Allow programs to be used from subproject
* Fix accidentally exposed internal zix symbols

sord (0.16.12) stable; urgency=medium

* Fix various warnings
* Switch to meson build system