Merge pull request #220 from tschaub/updates

Dev dependency updates

.travis.yml

@@ -7,9 +7,6 @@ node_js:
   - "6"
   - "7"
   - "8"
-cache:
-  directories:
-    - node_modules
 
 before_install:
   - npm install -g npm@latest

lib/binding.js

@@ -250,7 +250,7 @@ Binding.prototype.realpath = function(filepath, encoding, callback) {
     var item = this._system.getRoot();
     var itemPath = '/';
     var name, i, ii;
-    for ((i = 0), (ii = parts.length); i < ii; ++i) {
+    for (i = 0, ii = parts.length; i < ii; ++i) {
       name = parts[i];
       while (item instanceof SymbolicLink) {
         itemPath = path.resolve(path.dirname(itemPath), item.getPath());

lib/filesystem.js

@@ -57,7 +57,7 @@ function FileSystem(options) {
     var parts = getPathParts(dir);
     var directory = root;
     var i, ii, name, candidate;
-    for ((i = 0), (ii = parts.length); i < ii; ++i) {
+    for (i = 0, ii = parts.length; i < ii; ++i) {
       name = parts[i];
       candidate = directory.getItem(name);
       if (!candidate) {
@@ -176,7 +176,7 @@ FileSystem.create = function(paths, options) {
     var parts = getPathParts(filepath);
     var directory = system._root;
     var i, ii, name, candidate;
-    for ((i = 0), (ii = parts.length - 1); i < ii; ++i) {
+    for (i = 0, ii = parts.length - 1; i < ii; ++i) {
       name = parts[i];
       candidate = directory.getItem(name);
       if (!candidate) {