added tuple operator

parse.js

@@ -342,6 +342,6 @@ function parseFull(tokenized) {
 console.log(parseFull(tokenizer.tokenize(istr)).map(pprint.pprint).join("\n"));
 
 //console.log(tokenizer.tokenize(istr));
-//console.log(parseFull(tokenizer.tokenize(istr)));
+//console.log(parseFull(tokenizer.tokenize(istr))[8].val.body);
 
 //module.exports = {parse : tool.compose(parseFull, tokenizer.tokenize) };

representation.js

@@ -175,7 +175,8 @@ OPInfo = {"+" : [3, "Left"],
       ">>" : [1, "Left"],
       ">>=" : [1, "Left"],
       "<$>" : [1, "Left"],
-      "." : [1, "Left"]}
+      "." : [1, "Left"],
+      "," : [1, "Left"]}
 
 module.exports =
    { IntT   : IntT,