updat dependencies

package.json

@@ -34,20 +34,20 @@
     "iojs": "2.0.x"
   },
   "dependencies": {
-    "canvas": "^1.3.4",
-    "crc": "~3.3.0",
+    "canvas": "^1.3.7",
+    "crc": "~3.4.0",
     "ejs": "^2.3.4",
-    "lwip": "~0.0.7",
+    "lwip": "~0.0.8",
     "mime": "~1.3.4",
     "node-df": "crafatar/node-df",
-    "redis": "~2.0.0",
-    "request": "~2.64.0",
+    "redis": "~2.4.2",
+    "request": "~2.67.0",
     "toobusy-js": "~0.4.2"
   },
   "devDependencies": {
-    "coveralls": "~2.11.2",
-    "istanbul": "~0.3.20",
-    "mocha": "~2.3.3",
+    "coveralls": "~2.11.6",
+    "istanbul": "~0.4.2",
+    "mocha": "~2.3.4",
     "mocha-lcov-reporter": "~1.0.0"
   }
 }