Merge pull request yooper#30 from yooper/fix_laravel_56

Fix laravel 56

Author: yooper

.travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
   - 7.0
   - 7.1
+  - 7.2
 
 before_script:
   - composer self-update

composer.json

@@ -2,7 +2,7 @@
     "name": "yooper/php-text-analysis",
     "description": "PHP Text Analysis is a library for performing Information Retrieval (IR) and Natural Language Processing (NLP) tasks using the PHP language",
     "keywords": ["nlp","ir","text analysis","natural language processing"],
-    "license": "Apache 2",
+    "license": "Apache-2.0",
     "authors": [
     {
         "name": "yooper",
@@ -24,7 +24,7 @@
         }
     },
     "require" : {
-        "php": ">=7.0",
+        "php": ">=7",
         "yooper/stop-words": "~1",
         "symfony/console": "~2.7|~3.4|~4.0",
         "camspiers/porter-stemmer": "~1",