add custom profiling via Debug(Start|Stop)Profile

include/Profiling.h

@@ -21,6 +21,7 @@ struct Stats {
     double stddev;
     double min;
     double max;
+    size_t n;
 };
 
 /// Calculates and stores the moving average over K samples of execution time data

include/TLuaEngine.h

@@ -256,6 +256,7 @@ private:
         sol::table Lua_FS_ListDirectories(const std::string& Path);
 
         prof::UnitProfileCollection mProfile {};
+        std::unordered_map<std::string, prof::TimePoint> mProfileStarts;
 
         std::string mName;
         TLuaStateId mStateId;