Bump version for release.

Bump version to 1.1.8.

Bump version to 1.1.7.

Bump for release of v1.1.6.

Bump version to v1.1.5 for release.

Bump version for release.

Bump version for release.

Patch release to increase the frequency of relation block overflow ch…

…ecks. This is to work around a problem where large relations and infrequent checks cause the block to be larger than the maximum uncompressed size allowed by the OSM PBF format.

Minor bump to v1.1.0. Adds a command line flag for resuming.

Previous behaviour was to resume, which caused confusion when
the working directory wasn't completely cleaned up. This
behaviour can now be obtained using the `--resume` flag, and
the new default behaviour is to remove any existing data and
start from scratch.

Clean up test files after run.