Fixed unittests and betterC compilation (after adding fullyQualifiedName instead of simple stringof)

-added new trait to get full name of structure (witho module and package, not tested on more nested packages)
-some small improvements (like adding const to function which need it)

source/bubel/ecs/traits.d

@@ -37,3 +37,35 @@ static long getIndexOfTypeInEntitiesData(EntitiesData, Type)()
 	}
 	return index;
 }
+
+static string attachParentName(alias T, string str)()
+{
+	alias parent = __traits(parent, T);
+	enum parent_str = parent.stringof;
+	static if(parent_str[0..7] == "module ")
+	{
+		static if(__traits(compiles, __traits(parent, parent)))
+		{
+			return attachParentName!(parent, parent_str[7 .. $] ~ '.' ~ str);
+		}
+		else return parent_str[8 .. $] ~ '.' ~ str;
+	}
+	else static if(parent_str[0..8] == "package ")
+	{
+		static if(__traits(compiles, __traits(parent, parent)))
+		{
+			return attachParentName!(parent, parent_str[8 .. $] ~ '.' ~ str);
+		}
+		else return parent_str[8 .. $] ~ '.' ~ str;
+	}
+	else static if(__traits(compiles, __traits(parent, parent)))
+	{
+		return attachParentName!(parent, parent_str ~ '.' ~ str);
+	}
+	else return parent_str ~ '.' ~ str;
+}
+
+static string fullName(T)()
+{
+	return attachParentName!(T, T.stringof);
+}