Take last version of stable packages

package.json

@@ -29,9 +29,9 @@
   },
   "homepage": "https://github.com/mljs/ml",
   "dependencies": {
-    "ml-array-utils": "0.1.4",
-    "ml-bit-array": "1.0.0",
-    "ml-distance": "2.0.1",
+    "ml-array-utils": "^0.1.4",
+    "ml-bit-array": "^1.0.0",
+    "ml-distance": "^2.0.1",
     "ml-fnn": "1.0.0",
     "ml-hclust": "1.0.0",
     "ml-kmeans": "0.1.0",
@@ -42,14 +42,14 @@
     "ml-pls": "0.0.6",
     "ml-savitzky-golay": "1.0.0",
     "ml-som": "0.0.6",
-    "ml-stat": "1.0.1",
+    "ml-stat": "^1.0.1",
     "ml-svm": "1.0.2",
-    "ml-xsadd": "1.0.0"
+    "ml-xsadd": "^1.0.0"
   },
   "devDependencies": {
     "cheminfo-tools": "^1.0.1",
     "mocha": "^2.2.5",
     "mocha-better-spec-reporter": "^2.1.1",
     "should": "^7.0.2"
   }
-}
+}