Merge pull request mkschreder#19 from addyh/fixes-issue-#16

Fixes issue mkschreder#16 (multiple Set-Cookie headers)

Author: mkschreder

main.js

@@ -150,7 +150,7 @@ function runPHP(req, response, next, url, file) {
   if (/.*?\.php$/.test(file)) {
     var res = '', err = '';
 
-    var php = child.spawn(PHP_CGI, [], {
+    var php = child.spawn(PHP_CGI.toString(), [], {
       env: env
     });
 
@@ -190,6 +190,17 @@ function runPHP(req, response, next, url, file) {
           if (m[0] == 'Status') {
             response.statusCode = parseInt(m[1]);
           }
+          if (m[0] == 'Set-Cookie') {
+            var prevCookies = response.getHeader('Set-Cookie');
+            if (prevCookies) {
+              if (typeof prevCookies == 'string') {
+                m[1] = [prevCookies, m[1]];
+              } else {
+                prevCookies.push(m[1]);
+                m[1] = prevCookies;
+              }
+            }
+          }
           if (m.length == 2) {
             response.setHeader(m[0], m[1]);
           }