print statement should allow for escaping stuff

ast/print.go

@@ -18,6 +18,7 @@
 package ast
 
 import (
+    "fmt"
     "strings"
 )
 
@@ -49,7 +50,7 @@ loop:
         constructor.WriteString(iter.FmtToken())
     }
 
-    println(constructor.String())
+    fmt.Printf(constructor.String() + "\n")
     goto loop
 }