Merge gate fix and closing controller (#24)

* Changed in_range obervation space variable to visited

* Removed closing "controller" and replaced it with crazyswarm magic (#23)

* Removed closing "controller" and replaced it with crazyswarm magic (tested on hardware)

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Co-authored-by: Martin Schuck <[email protected]>

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Co-authored-by: Niklas Schlueter <[email protected]>
Co-authored-by: Jonathan Kelm <[email protected]>

Author: 3 people