Update for "final" (2.0) release

Upstream version 2.0

Finalize d/changelog for v2.0

tdc Debian release 1.9-3

tdc Debian release 1.9-2~bpo10+1

Finalize d/changelog for upload

Yet another point release (1.9); fixes downstream build failures

Upstream version 1.9

Finalize d/changelog for new upstream release

Tag another point release (1.8); minor code cleanup