Refactored the interface of the io package

examples/fizzbuzz/fizzbuzz.q

@@ -10,9 +10,9 @@ fizzbuzz(n int) {
 
 	loop {
 		switch {
-			x % 15 == 0 { io.out("FizzBuzz") }
-			x % 5 == 0  { io.out("Buzz") }
-			x % 3 == 0  { io.out("Fizz") }
+			x % 15 == 0 { io.write("FizzBuzz") }
+			x % 5 == 0  { io.write("Buzz") }
+			x % 3 == 0  { io.write("Fizz") }
 			_           { fmt.decimal(x) }
 		}
 
@@ -22,6 +22,6 @@ fizzbuzz(n int) {
 			return
 		}
 
-		io.out(" ")
+		io.write(" ")
 	}
 }