Switch from 'share' to 'singleton' - Laravel 5.4 compatibility. (#13)

* Switch from 'share' to 'singleton' for to ensure Laravel 5.4 compatability

* Changes to Readme file to reflect newer versions of Laravel

* Further changes to the readme file

* Remove hvvm and add PHP 7.1

Author: stephenahiggins

.travis.yml

@@ -5,7 +5,7 @@ php:
   - 5.5
   - 5.6
   - 7.0
-  - hhvm
+  - 7.1
 
 before_script:
   - composer self-update

README.md

@@ -23,11 +23,11 @@ You'll then need to run `composer install` or `composer update` to download it a
 
 Once Laravel Sentiment Analysis is installed, you need to register the service provider. Open up `config/app.php` and add the following to the `providers` key.
 
-`'Antoineaugusti\LaravelSentimentAnalysis\LaravelSentimentAnalysisServiceProvider'`
+Antoineaugusti\LaravelSentimentAnalysis\LaravelSentimentAnalysisServiceProvider::class,
 
 You can register the SentimentAnalysis facade in the `aliases` key of your `config/app.php` file if you like.
 
-`SentimentAnalysis' => 'Antoineaugusti\LaravelSentimentAnalysis\Facades\SentimentAnalysis'`
+'SentimentAnalysis' => Antoineaugusti\LaravelSentimentAnalysis\SentimentAnalysis::class,
 
 #### Looking for a Laravel 4 compatible version?
 Checkout the [1.2 version](https://github.com/AntoineAugusti/laravel-sentiment-analysis/releases/tag/v1.2), installable by requiring `"antoineaugusti/laravel-sentiment-analysis": "1.2"`.

src/LaravelSentimentAnalysisServiceProvider.php

@@ -13,7 +13,7 @@ class LaravelSentimentAnalysisServiceProvider extends ServiceProvider
      */
     public function register()
     {
-        $this->app['sentimentanalysis'] = $this->app->share(function ($app) {
+        $this->app['sentimentanalysis'] = $this->app->singleton('LaravelSentimentAnalysisServiceProvider', function ($app) {
             return new SentimentAnalysis();
         });
     }