sqrt function works... finally... ;-;

tests/math.pla

@@ -1,3 +0,0 @@
-add = Func(a: Int, b: Int): Int {
-	return a + b;
-}

tests/test.pla

@@ -1,5 +1,4 @@
-depend "tests/math.pla";
-
 main = Func(): Int {
-	return $add(1 ,2);
+	$print("%f\n", $sqrt(9.0));
+	return 0;
 }