diff --git a/node_modules/which/package.json b/node_modules/which/package.json
index ea26853..b8d0dfa 100644
--- a/node_modules/which/package.json
+++ b/node_modules/which/package.json
@@ -2,7 +2,7 @@
   "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
   "name": "which",
   "description": "Like which(1) unix command. Find the first instance of an executable in the PATH.",
-  "version": "1.0.3",
+  "version": "1.0.5",
   "repository": {
     "type": "git",
     "url": "git://github.com/isaacs/node-which.git"
diff --git a/node_modules/which/which.js b/node_modules/which/which.js
index 634e3af..db7e8f7 100644
--- a/node_modules/which/which.js
+++ b/node_modules/which/which.js
@@ -27,13 +27,16 @@ if (process.platform == "win32") {
   }
 }
 
+
+
 function which (cmd, cb) {
-  if (cmd.charAt(0) === "/") return cb(null, cmd)
+  if (isAbsolute(cmd)) return cb(null, cmd)
   var pathEnv = (process.env.PATH || "").split(COLON)
     , pathExt = [""]
   if (process.platform === "win32") {
     pathEnv.push(process.cwd())
     pathExt = (process.env.PATHEXT || ".EXE").split(COLON)
+    if (cmd.indexOf(".") !== -1) pathExt.unshift("")
   }
   //console.error("pathEnv", pathEnv)
   ;(function F (i, l) {
@@ -57,14 +60,14 @@ function which (cmd, cb) {
   })(0, pathEnv.length)
 }
 
-
 function whichSync (cmd) {
-  if (cmd.charAt(0) === "/") return cmd
+  if (isAbsolute(cmd)) return cmd
   var pathEnv = (process.env.PATH || "").split(COLON)
     , pathExt = [""]
   if (process.platform === "win32") {
     pathEnv.push(process.cwd())
     pathExt = (process.env.PATHEXT || ".EXE").split(COLON)
+    if (cmd.indexOf(".") !== -1) pathExt.unshift("")
   }
   for (var i = 0, l = pathEnv.length; i < l; i ++) {
     var p = path.join(pathEnv[i], cmd)
@@ -79,3 +82,23 @@ function whichSync (cmd) {
   }
   throw new Error("not found: "+cmd)
 }
+
+var isAbsolute = process.platform === "win32" ? absWin : absUnix
+
+function absWin (p) {
+  if (absUnix(p)) return true
+  // pull off the device/UNC bit from a windows path.
+  // from node's lib/path.js
+  var splitDeviceRe =
+        /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/][^\\\/]+)?([\\\/])?/
+    , result = splitDeviceRe.exec(p)
+    , device = result[1] || ''
+    , isUnc = device && device.charAt(1) !== ':'
+    , isAbsolute = !!result[2] || isUnc // UNC paths are always absolute
+
+  return isAbsolute
+}
+
+function absUnix (p) {
+  return p.charAt(0) === "/" || p === ""
+}