Alfred3

Changed

- alfred3_interact was updated for compatibility to alfred3 v2.1.5

- Fixed 7

- Improved the fix of 6. The fix in v0.1.5 was incomplete.
- Fixed a bug in ping handling of groupwise matching.

- Fixed 7
- Fixed 6

- Version v0.1.3 introduced a bug on the `MatchingPage`: The page did not
correctly hide its navigation buttons. This update fixes the bug.

alfred3-interact v0.1.3 (Released 2021-05-18)

- Improved cooperation of two MatchMakers in one experiment (4)
- Improved robustness of groupwise matching (3)