fix(core): NPE in Cycles per second (#331)

- [X] Fixes an edge case where the cycle index goes negative and crashes
- [X] Fixes average CPS calculation
- [X] Fixes issue with logout delay
- [X] Bumps release version

Projects/UOContent/Spells/Necromancy/CorpseSkin.cs

@@ -71,10 +71,10 @@ namespace Server.Spells.Necromancy
 
                 ResistanceMod[] mods =
                 {
-                    new ResistanceMod(ResistanceType.Fire, -15),
-                    new ResistanceMod(ResistanceType.Poison, -15),
-                    new ResistanceMod(ResistanceType.Cold, +10),
-                    new ResistanceMod(ResistanceType.Physical, +10)
+                    new(ResistanceType.Fire, -15),
+                    new(ResistanceType.Poison, -15),
+                    new(ResistanceType.Cold, +10),
+                    new(ResistanceType.Physical, +10)
                 };
 
                 timer = new ExpireTimer(m, mods, duration);