Bind all dependencies to latest version, It fixes security issue in r…

…c => deep-extend library. And added .idea project files to gitignore

.gitignore

@@ -3,4 +3,5 @@
 .vscode
 .madgerc
 *.sublime-project
-*.sublime-workspace
+*.sublime-workspace
+.idea

package.json

@@ -39,23 +39,23 @@
     "test:output": "./test/output.sh"
   },
   "dependencies": {
-    "chalk": "^2.3.0",
-    "commander": "^2.14.1",
+    "chalk": "^2.4.1",
+    "commander": "^2.15.1",
     "commondir": "^1.0.1",
     "debug": "^3.1.0",
-    "dependency-tree": "^6.0.0",
+    "dependency-tree": "^6.1.0",
     "graphviz": "^0.0.8",
-    "ora": "^2.0.0",
+    "ora": "^2.1.0",
     "pify": "^3.0.0",
     "pluralize": "^7.0.0",
-    "pretty-ms": "^3.0.1",
-    "rc": "^1.2.5",
+    "pretty-ms": "^3.1.0",
+    "rc": "^1.2.7",
     "walkdir": "^0.0.12"
   },
   "devDependencies": {
     "@aptoma/eslint-config": "^7.0.1",
-    "eslint": "^4.17.0",
-    "mocha": "^5.0.0",
+    "eslint": "^4.19.1",
+    "mocha": "^5.1.1",
     "mz": "^2.7.0",
     "should": "^13.2.1"
   }