Support for react-redux v7 (#321)

Upgrade dependencies to support react-redux v7

README.md

@@ -1,6 +1,6 @@
 > Breaking change in v5.0.0! Please read [How to migrate from v4 to v5/v6](https://github.com/supasate/connected-react-router/blob/master/FAQ.md#how-to-migrate-from-v4-to-v5v6).
 
-> v6.0.0 requires React v16.4.0 and React Redux v6.0. (It does not support React Redux v7.0 yet. We're looking into the compability issue.)
+> v6.0.0 requires React v16.4.0 and React Redux v6.0 / v7.0.
 
 Connected React Router [![Build Status](https://travis-ci.org/supasate/connected-react-router.svg?branch=master)](https://travis-ci.org/supasate/connected-react-router) [![Open Source Helpers](https://www.codetriage.com/supasate/connected-react-router/badges/users.svg)](https://www.codetriage.com/supasate/connected-react-router)
 ======================

package.json

@@ -35,7 +35,7 @@
   "peerDependencies": {
     "history": "^4.7.2",
     "react": "^16.4.0",
-    "react-redux": "^6.0.0",
+    "react-redux": "^6.0.0 || ^7.1.0",
     "react-router": "^4.3.1 || ^5.0.0",
     "redux": "^3.6.0 || ^4.0.0"
   },
@@ -63,10 +63,10 @@
     "jest": "^24.3.1",
     "raf": "^3.4.0",
     "react": "^16.4.0",
-    "react-dom": "^16.0.0",
-    "react-redux": "^6.0.0",
+    "react-dom": "^16.4.0",
+    "react-redux": "^6.0.0 || ^7.1.0",
     "react-router": "^4.3.1 || ^5.0.0",
-    "react-test-renderer": "^16.0.0",
+    "react-test-renderer": "^16.4.0",
     "redux": "^4.0.0",
     "redux-devtools": "^3.4.0",
     "redux-immutable": "^3.0.11",