prepare 3.1.2 release (#9)

Author: LaunchDarklyCI

package-lock.json

@@ -64,16 +64,16 @@
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-filesize": "^6.2.1",
-    "rollup-plugin-terser": "^5.1.2",
-    "rollup-plugin-uglify": "^6.0.3",
+    "rollup-plugin-terser": "5.2.0",
+    "rollup-plugin-uglify": "6.0.4",
     "semver": "5.5.0",
     "semver-compare": "1.0.0",
     "typescript": "3.0.1"
   },
   "dependencies": {
-    "base64-js": "1.3.0",
-    "fast-deep-equal": "2.0.1",
-    "uuid": "3.3.2"
+    "base64-js": "^1.3.0",
+    "fast-deep-equal": "^2.0.1",
+    "uuid": "^3.3.2"
   },
   "repository": {
     "type": "git",