Fixes dupe exception (#258)

- [X] Cleans up ActivatorUtil
- [X] Fixes dupe exception
- [X] Fixes a bug in BasePotion
- [X] Fixes a few possible memory leaks

Bumps release version

Projects/UOContent/Commands/Generic/Extensions/Compilers/ConditionalCompiler.cs

@@ -563,7 +563,7 @@ namespace Server.Commands.Generic
 
             var conditionalType = typeBuilder.CreateType();
 
-            return (IConditional)ActivatorUtil.CreateInstance(conditionalType);
+            return conditionalType.CreateInstance<IConditional>();
         }
     }
 }