Revert "Fixed an HUGE bug in the segmentation system, AGAIN"

This reverts commit 09cf9df73db69ba6f60fe8ea11d893013d0243e4.
Revert "Revert "Fixed an HUGE bug in the segmentation system, AGAIN""

This reverts commit f5f3ca9aa77de2ffac7c40c76d3e01cce7abfc7b.
Evolutions are now applied by default
New error management to signup
Merge fix
Merge branch 'MoonSUB' of https://github.com/pasinipolimi/Sketchness into MoonSUB
Fix conf conflict