delete coordinates and time after use in expression
Merge remote-tracking branch 'kus/master'
synced with hermes (two memory leaks fixed)
Fix the problem with EggShell.
minor fix in volume integral - select all
minor comparison fix in pygeometry
fix loops. Check for edges connecting point with itself. The point is not removed, warning is displayed. It is probably safer. plus some code polishing
fixed two points with the same coordinates after change in startup script. Check added