Added more examples

examples/collatz/collatz.q

@@ -0,0 +1,22 @@
+import log
+import sys
+
+main() {
+	x := 12
+
+	loop {
+		if x & 1 == 0 {
+			x /= 2
+		} else {
+			x = 3 * x + 1
+		}
+
+		log.number(x)
+
+		if x == 1 {
+			return
+		}
+
+		sys.write(1, " ", 1)
+	}
+}