Chore: 1.13.0

# [1.13.0](https://git.rwth-aachen.de/coscine/api/project/compare/v1.12.0...v1.13.0) (2020-02-03)

### Update

* query for all top-most accessible projects (coscine/issues#602) ([0be7aea2](https://git.rwth-aachen.de/coscine/api/project/commit/0be7aea27a5e9529e37800871b05ca36989fb526)), closes [coscine/issues#602](https://git.rwth-aachen.de/coscine/issues/issues/602) [coscine/issues#607](https://git.rwth-aachen.de/coscine/issues/issues/607) [coscine/issues#611](https://git.rwth-aachen.de/coscine/issues/issues/611)