fix the http listener

examples/http_read.vqe

@@ -1,3 +1,4 @@
 {
     "examples/test.html" readall disp
+    argv shatter dump
 } ":3333" servehttp

examples/webassembly-example/server.vqe

@@ -1,3 +1,13 @@
 {
-	"index.html" readall disp
+    (* get the request info *)
+    argv shatter
+
+    (* check to see if we have the root route, if so return index.html *)
+    dup "/" streq?
+    choose 
+    { exch pop "index.html" exch } ifyes
+    { "." exch strtie } ifno
+
+    (* now read the requested file and return it *)
+    readall disp
 } ":3333" servehttp

varaq/interpreter.go

@@ -5,12 +5,12 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"runtime"
 	"math"
 	"math/rand"
 	"net"
 	"net/http"
 	"os"
+	"runtime"
 	"strconv"
 	"strings"
 	"time"
@@ -1064,15 +1064,20 @@ func Interpret(code Expr, argv []string, w io.Writer) error {
 				return fmt.Errorf("cannot `servehttp` exptected a string for the port @%v", idx)
 			}
 
+			fun, e := pop()
+			if e != nil {
+				return e
+			}
+
 			http.ListenAndServe(str.Value.(string), http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 				req := make([]string, 0)
 				req = append(req, r.RequestURI)
-				fun, e := pop()
+
-				if e != nil {
-					return
-				}
 				if fun.Tok == FUNCTION {
-					Interpret(fun, req, w)
+					zerr := Interpret(fun, req, w)
+					if zerr != nil {
+						fmt.Println(zerr)
+					}
 				} else {
 					return
 				}