Update readme.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

README.md

@@ -27,15 +27,9 @@ Memory Component handles runtime configuration either using "in memory" Runtime
 
 Laravel    | Memory
 :----------|:----------
- 4.x.x     | 2.x.x
- 5.0.x     | 3.0.x
- 5.1.x     | 3.1.x
- 5.2.x     | 3.2.x
- 5.3.x     | 3.3.x
- 5.4.x     | 3.4.x
  5.5.x     | 3.5.x
  5.6.x     | 3.6.x
- 5.7.x     | 3.7.x@dev
+ 5.7.x     | 3.7.x
 
 ## Installation
 
@@ -44,7 +38,7 @@ To install through composer, simply put the following in your `composer.json` fi
 ```json
 {
   "require": {
-    "orchestra/memory": "^3.0"
+    "orchestra/memory": "^3.5"
   }
 }
 ```
@@ -55,7 +49,7 @@ And then run `composer install` from the terminal.
 
 Above installation can also be simplify by using the following command:
 
-    composer require "orchestra/memory=^3.0"
+    composer require "orchestra/memory=^3.5"
 
 ## Configuration