0.05 2017-11-27

    * fix precedence issue
    * update Module::Install

0.04 2012-11-28

    * change script to support new format of the files. Thanks to
      Акулов Андрей for implementation.

0.03 2010-02-04

    * join only intersecting or touching blocks

0.02 2009-12-07

    * solve conflicts in the DB file
    * use coordinates file for primary import
    * don't insert overlapping networks

0.01 2009-11-29

    * initial release for review
    * API may change in next several releases
