Update dependencies version matcher for consistency.

package.json

@@ -42,25 +42,25 @@
     "madge": "^1.0.0",
     "mkdirp": "^0.5.1",
     "mocha": "^3.0.2",
-    "mocha-istanbul": "0.3.0",
+    "mocha-istanbul": "^0.3.0",
     "pkjutil": "^1.0.1",
     "plato": "^1.7.0",
     "rimraf": "^2.5.4",
     "tar.gz": "^1.0.5"
   },
   "optDependencies": {
-    "ae86": "~1.0.1",
-    "buildbranch": "~1.0.0",
-    "buster-istanbul": "~0.1.15",
-    "buster": "~0.7.18",
-    "cmdt": "~1.0.0",
-    "complexity-report": "~2.0.0-alpha",
-    "esvalidate": "~0.1.3",
-    "jscheckstyle": "~0.0.9",
-    "nodelint": "~0.6.2",
-    "nodeunit": "~0.9.1",
-    "sendman": "~1.0.1",
-    "vows": "~0.8.1"
+    "ae86": "^1.0.1",
+    "buildbranch": "^1.0.0",
+    "buster-istanbul": "^0.1.15",
+    "buster": "^0.7.18",
+    "cmdt": "^1.0.0",
+    "complexity-report": "^2.0.0-alpha",
+    "esvalidate": "^0.1.3",
+    "jscheckstyle": "^0.0.9",
+    "nodelint": "^0.6.2",
+    "nodeunit": "^0.9.1",
+    "sendman": "^1.0.1",
+    "vows": "^0.8.1"
   },
   "devDependencies": {
     "buster-node": "^0.7.1",
@@ -77,4 +77,4 @@
       "url": "http://github.com/cliffano/bob/raw/master/LICENSE"
     }
   ]
-}
+}