Restore composer json.

.gitattributes

@@ -44,7 +44,6 @@
 # End line ending normalization. ----------------------
 
 # Export ignore folders, files.
-composer-fordevonly.json
 tests export-ignore
 .dev-notes export-ignore
 .gitattributes export-ignore

.gitignore

@@ -27,8 +27,9 @@ $RECYCLE.BIN/
 # cache folder
 cache/
 cache/*
-# composer.json for development only.
-/composer.json
+# composer vendor folder
+/vendor/
+/vendor/*
 # unit tests cache file.
 .phpunit.result.cache
 .phpunit.cache

README.md

@@ -15,11 +15,6 @@ Make sure that you have [Composer](http://getcomposer.org/) installed and then r
 composer require rundiz/simple-cache
 ```
 
-### For development
-To install for development, clone this repository then copy **composer-fordevonly.json** to **composer.json** and check update packages using composer packages. 
-This is for prevent package dependencies conflict with the others while keep this package running on wider PHP versions.  
-The required packages on composer.json must not exists, only php version.
-
 ## Example
 We currently support APC, APCu, Memcache, Memcached, File system drivers. These are how to initialize for each driver class.
 

composer.json

@@ -13,7 +13,8 @@
 		}
 	],
 	"require": {
-		"php": ">=7.0"
+		"php": ">=7.0",
+		"psr/simple-cache": "^1.0"
 	},
 	"autoload": {
 		"psr-4": {