Added more tests

-added Vector test
-added HashMap test
-added EntityMeta test
-added default hashing function to hashmap

source/bubel/ecs/hash_map.d

@@ -19,10 +19,21 @@ export ulong defaultHashFunc(T)(auto ref T t) nothrow @nogc
 	}
 	else
 	{
-		return 0; //hashInt(t.hashOf); // hashOf is not giving proper distribution between H1 and H2 hash parts
+		static if(isArray!T)return hashInt(hash((cast(byte*)t.ptr)[0 .. t.length * ForeachType!(T).sizeof]));
+		else return hashInt(hash((cast(byte*)&t)[0 .. T.sizeof])); //hashInt(t.hashOf); // hashOf is not giving proper distribution between H1 and H2 hash parts
 	}
 }
 
+ulong hash(byte[] array) nothrow @nogc
+{
+	ulong hash = 0;
+
+	foreach(c;array)
+		hash = c + (hash << 6) + (hash << 16) - hash;
+
+	return hash;
+}
+
 // Can turn bad hash function to good one
 export ulong hashInt(ulong x) nothrow @nogc @safe
 {

source/bubel/ecs/vector.d

@@ -165,10 +165,10 @@ public:
 		return duplicate;
 	}
 
-	export bool canAddWithoutRealloc(uint elemNum = 1)
+	/*export bool canAddWithoutRealloc(uint elemNum = 1)
 	{
 		return used + elemNum <= array.length;
-	}
+	}*/
 
 	export void add()(T t)
 	{