update dependencies

also using ~ operator, i.e. allow patch-level changes

package.json

@@ -31,20 +31,20 @@
   },
   "dependencies": {
     "canvas": "crafatar/node-canvas",
-    "crc": "3.2.1",
-    "forever": "0.14.1",
-    "jade": "~1.9.1",
-    "lwip": "crafatar/lwip",
-    "mime": "1.3.4",
-    "node-df": "0.1.1",
-    "redis": "0.12.1",
-    "request": "^2.51.0",
-    "toobusy-js": "^0.4.1"
+    "crc": "~3.2.1",
+    "forever": "~0.14.1",
+    "jade": "~1.10.0",
+    "lwip": "EyalAr/lwip",
+    "mime": "~1.3.4",
+    "node-df": "~0.1.1",
+    "redis": "~0.12.1",
+    "request": "~2.55.0",
+    "toobusy-js": "~0.4.1"
   },
   "devDependencies": {
-    "coveralls": "^2.11.2",
-    "istanbul": "^0.3.2",
-    "mocha": "2.1.0",
-    "mocha-lcov-reporter": "0.0.1"
+    "coveralls": "~2.11.2",
+    "istanbul": "~0.3.14",
+    "mocha": "~2.2.5",
+    "mocha-lcov-reporter": "~0.0.2"
   }
 }