CIUpdate

- added build test
 - probably fixed some trash
- coverage test should only wait for test_dmd_debug

source/ecs/manager.d

@@ -442,11 +442,12 @@ export struct EntityManager
 
         static struct ComponentsCounts
         {
-            uint readonly;
-            uint mutable;
-            uint excluded;
-            uint optional;
-            uint req;
+            //one more than should be to prevent null arrays (zero length arrays)
+            uint readonly = 1;
+            uint mutable = 1;
+            uint excluded = 1;
+            uint optional = 1;
+            uint req = 1;
         }
 
         static ComponentsCounts getComponentsCounts()()