* Update some packages

* Use ptyw.js (from a specific rev for now) vs pty.js for better Windows support
* Updated docs slightly
* Use iconv.encode() in dropfile generation

package.json

@@ -23,9 +23,9 @@
     "lodash": "^3.10.1",
     "mkdirp": "0.5.x",
     "moment": "^2.10.6",
-    "node-uuid": "1.4.x",
-    "pty.js": "0.3.x",
-    "sqlite3": "3.1.x",
+    "node-uuid": "^1.4.7",
+    "ptyw.js": "^0.3.4",
+    "sqlite3": "^3.1.1",
     "ssh2": "^0.4.12",
     "string-format": "davidchambers/string-format#mini-language"
   },