fixed dependency version numbers

Author: John Doherty

package.json

@@ -1,6 +1,6 @@
 {
   "name": "selenium-cucumber-js",
-  "version": "1.3.8",
+  "version": "1.3.9",
   "description": "JavaScript browser automation framework using official selenium-webdriver and cucumber-js",
   "main": "index.js",
   "scripts": {
@@ -37,18 +37,18 @@
   },
   "homepage": "https://github.com/john-doherty/selenium-cucumber-js#readme",
   "dependencies": {
-    "chai": "^3.5.0",
-    "chalk": "^1.1.3",
-    "chromedriver": "^2.25.1",
-    "commander": "^2.9.0",
-    "cucumber": "^1.2.2",
-    "cucumber-html-reporter": "^0.2.8",
-    "cucumber-junit": "^1.6.0",
-    "fs-plus": "^2.9.1",
-    "geckodriver": "^1.1.2",
-    "merge": "^1.2.0",
-    "phantomjs-prebuilt": "^2.1.12",
-    "require-dir": "^0.3.0",
-    "selenium-webdriver": "^3.0.0"
+    "chai": "3.5.0",
+    "chalk": "1.1.3",
+    "chromedriver": "2.25.1",
+    "commander": "2.9.0",
+    "cucumber": "1.2.2",
+    "cucumber-html-reporter": "0.2.8",
+    "cucumber-junit": "1.6.0",
+    "fs-plus": "2.9.1",
+    "geckodriver": "1.1.2",
+    "merge": "1.2.0",
+    "phantomjs-prebuilt": "2.1.12",
+    "require-dir": "0.3.0",
+    "selenium-webdriver": "3.0.0"
   }
 }