Build: update cst to 0.3.0

Author: hzoo

package.json

@@ -63,7 +63,7 @@
     "chalk": "~1.1.0",
     "cli-table": "~0.3.1",
     "commander": "~2.9.0",
-    "cst": "0.2.0",
+    "cst": "^0.3.0",
     "estraverse": "^4.1.0",
     "exit": "~0.1.2",
     "glob": "^5.0.1",