Unitests update

-unittest runner works for non betterC build
-working unittest coverage generation
-unittest runner support for named tests. Simple regex is supported (* as any substring) and two list of expressions are used, one for include regex and one for exclude regex

tests/vector.d

@@ -3,6 +3,7 @@ module tests.vector;
 import ecs.simple_vector;
 //import ecs.vector;
 
+@("simple-vector")
 unittest
 {
     SimpleVector vector;