Merge #31

.travis.yml

@@ -1,8 +1,6 @@
 language: php
 
 php: 
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1

composer.json

@@ -3,7 +3,7 @@
     "description": "Provides a Laravel package to communicate with Bit.ly API",
     "license": "MIT",
     "require": {
-        "php": ">=5.4",
+        "php": ">=5.6",
         "illuminate/support": "~4|~5",
         "guzzlehttp/guzzle": "~5|~6"
     },

src/Jelovac/Bitly4laravel/Laravel4ServiceProvider.php

@@ -22,7 +22,7 @@ public function boot()
      */
     public function register()
     {
-        $this->app['bitly4laravel'] = $this->app->share(function($app) {
+       $this->app['bitly4laravel'] = $this->app->share(function($app) {
             $config = $app['config']->get('bitly4laravel::config');
             return new Bitly4laravel($config);
         });

src/Jelovac/Bitly4laravel/Laravel5ServiceProvider.php

@@ -28,8 +28,8 @@ public function boot()
      */
     public function register()
     {
-        $this->app['bitly4laravel'] = $this->app->share(function($app) {
-            $config = $app['config']->get('bitly4laravel');
+        $this->app->singleton(Bitly4laravel::class, function($app) {
+            $config = $app['config']['bitly4laravel'];
             return new Bitly4laravel($config);
         });
     }