diff --git a/node_modules/c9/urls.js b/node_modules/c9/urls.js
index 0ce9c60e..240931ff 100644
--- a/node_modules/c9/urls.js
+++ b/node_modules/c9/urls.js
@@ -94,7 +94,7 @@ function getBaseUrl(req, sourceBaseUrlPattern, targetBaseUrlPattern) {
         targetHost = "c9.io";
     }
 
-    if (/^(ide|vfs)./.test(targetHost))
+    if (/^(ide|vfs)\./.test(targetHost))
         console.trace("Warning: possibly incorrect baseUrl constructed, with 'ide.' in the hostname: " + targetHost);
 
     return replaceDomain(targetBaseUrlPattern, targetHost)
diff --git a/package.json b/package.json
index 81aced1c..8337c3a7 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "c9",
     "description": "New Cloud9 Client",
-    "version": "3.1.1100",
+    "version": "3.1.1107",
     "author": "Ajax.org B.V. <info@ajax.org>",
     "private": true,
     "main": "bin/c9",
@@ -81,7 +81,7 @@
         "c9.ide.ace.split": "#0ae0151c78",
         "c9.ide.ace.statusbar": "#3aab0b67e0",
         "c9.ide.ace.stripws": "#cf0f42ac59",
-        "c9.ide.behaviors": "#5ae88f87e1",
+        "c9.ide.behaviors": "#db32109ebc",
         "c9.ide.closeconfirmation": "#cee4674141",
         "c9.ide.configuration": "#a9066299a2",
         "c9.ide.dialog.wizard": "#7667ec79a8",
@@ -96,7 +96,7 @@
         "c9.ide.mount": "#f46dc6dcd2",
         "c9.ide.navigate": "#38ae100ea1",
         "c9.ide.newresource": "#981a408a7b",
-        "c9.ide.openfiles": "#7fa4a97fed",
+        "c9.ide.openfiles": "#358ac94915",
         "c9.ide.preview": "#8f87ff2f6a",
         "c9.ide.preview.browser": "#c5b9a129de",
         "c9.ide.preview.markdown": "#bc846e1562",
diff --git a/plugins/c9.fs/fs.cache.xml.js b/plugins/c9.fs/fs.cache.xml.js
index 9d0babbe..da06cc24 100644
--- a/plugins/c9.fs/fs.cache.xml.js
+++ b/plugins/c9.fs/fs.cache.xml.js
@@ -216,7 +216,7 @@ define(function(require, exports, module) {
                         : (linkInfo
                             ? { link: true, linkStat: { fullPath: linkInfo } }
                             : {});
-                    stat.mtime = Math.floor(Date.now() / 1000);
+                    stat.mtime = Date.now();
                     node = createNode(e.path, stat);
 
                     emit("add", {path : e.path, node : node});
@@ -464,15 +464,30 @@ define(function(require, exports, module) {
             var parts = path.split("/");
             var node = context || model.root;
             if (!node) {
-                node = orphans[parts[0]]; //model.realRoot || 
+                node = orphans[parts[0]]; // model.realRoot || 
                 if (node) parts.shift();
             }
             
             if (path == "/") parts.shift();
             
+            var up = 0;
+            for (var i = parts.length; i--;) {
+                var p = parts[i];
+                if (!p && i || p === ".") {
+                    parts.splice(i, 1);
+                }
+                else if (p === "..") {
+                    parts.splice(i, 1);
+                    up++;
+                }
+                else if (up) {
+                    parts.splice(i, 1);
+                    up--;
+                }
+            }
+            
             for (var i = 0; i < parts.length; i++) { 
                 var p = parts[i];
-                if (!p && i) continue; // allow paths with trailing /
                 if (node)
                     node = node.map && node.map[p];
                 if (!node)
@@ -579,6 +594,14 @@ define(function(require, exports, module) {
             
             node.children = null;
             
+            if (typeof node.mtime !== "number" && node.mtime) {
+                // why Date ends up here?
+                reportError(new Error("Date in fs cache"), {
+                    stat: stat,
+                    mtime: node.mtime,
+                    path: node.path
+                });
+            }
             if (!updating) {
                 if (!modified.length)
                     modified.push(parent);
@@ -629,14 +652,6 @@ define(function(require, exports, module) {
                     });
                 } else if (key === "children" || key === "isSelected") {
                     prop = null;
-                } else if (Object.prototype.toString.call(node[key]) == "[object Date]") {
-                    // why Date ends up here?
-                    reportError(new Error("Date in fs cache"), {
-                        key: key,
-                        value: node[key],
-                        path: node.path,
-                        hasParentProp: !!node.parent,
-                    });
                 } else {
                     prop = lang.deepCopy(node[key]);
                 }
diff --git a/plugins/c9.fs/fs.js b/plugins/c9.fs/fs.js
index 04e2d42d..f07b7746 100644
--- a/plugins/c9.fs/fs.js
+++ b/plugins/c9.fs/fs.js
@@ -21,6 +21,7 @@ define(function(require, exports, module) {
         var stream = require("./fs.streams")(vfs, options.base, options.baseProc, options.cli);
         var xhr = options.cli ? stream : require("./fs.xhr")(vfs.rest);
         var uCaseFirst = require("c9/string").uCaseFirst;
+        var normalize = require("path").normalize;
         
         var api = {
             readFile: xhr.readFile,
@@ -65,6 +66,11 @@ define(function(require, exports, module) {
                 if (typeof args[args.length - 1] != "function")
                     throw new Error("Missing callback for " + name);
                 
+                path = args[0] = normalize(path);
+                if (name == "rename" || name == "copy" || name == "symlink") {
+                    args[1] = normalize(args[1]);
+                }
+                
                 // // TODO disabled to not break local version on windows
                 // if (!/^[!~/]/.test(path)) {
                 //     var e = new Error("Invalid path passed to fs " + name);