to work again (hopefully).
Also:
- few minor tweaks for py3
- added psi facility
- split secop-gui into separate package, so secop-core doesn't need QT
Change-Id: I457d3c9c60c78feb40e15c2fb153ce0d3491d1e8
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21327
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Tested-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
