versiontools is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
as published by the Free Software Foundation

versiontools is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with versiontools.  If not, see <http://www.gnu.org/licenses/>.

On Debian systems, the full text of the GNU Lesser General Public License
version 3 can be found in the file `/usr/share/common-licenses/LGPL-3'.