minor
Merge branch 'master' of github.com:0ax1/Infektsimulation
Merge branch 'master' of github.com:0ax1/Infektsimulation

Conflicts:
	host.c
Merge branch 'master' of github.com:0ax1/Infektsimulation

Conflicts:
	host.c
changed radii^2 to const sq versions