Bumped-up the version to 0.6.0.
Bumped-up the version to 0.6.0.

Changes:

* Added a new method assign_page_rank to the API.

andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics,andymeneely/attack-surface-metrics