Reproduce bug in failing test case.
Fixed bug where other entities could creep into filter.
Bump patch version number.
Merge pull request #5 from Wilduck/bugfix-individual-subscriptions-not-filtered

Bugfix individual subscriptions not filtered
Simplest subscription admin interface.
Unicode method for Source objects + tests.
Unicode method for Medium objects + tests.
Unsubscribe unicode method and tests.
Fixed typo
Subscription unicode method
Better list display and admin tests.
Merge pull request #6 from Wilduck/admin-interface

Admin interface