Old .gitignore actually prevent the kraken versions of the benchmarks from being comitted, scarily enough - also some of the c fib tests

fib_test/fib_let.c

@@ -0,0 +1,16 @@
+
+int fib(n) {
+	if (n == 0) {
+		return 1;
+	} else if (n == 1) {
+		return 1;
+	} else {
+		int r1 = fib(n-1);
+		int r2 = fib(n-2);
+		return r1 + r2;
+	}
+}
+int main(int argc, char **argv) {
+	printf("%d\n", fib(atoi(argv[1])));
+	return 0;
+}