Ritual blanket now has its own internal id but I'm sort of thinking it needs to be more like inventory::Model. Closes #47.

dinkyecs.hpp

@@ -12,7 +12,7 @@
 
 namespace DinkyECS
 {
-  typedef unsigned long Entity;
+  using Entity = unsigned long;
 
   using EntityMap = std::unordered_map<Entity, size_t>;