Merge pull request #10 from Jeckel-Lab/feature/re-enable-php7.2

Re-Activate build for php7.2

.travis.yml

@@ -1,5 +1,6 @@
 language: php
 php:
+  - '7.2'
   - '7.3'
   - '7.4'
   - '8.0'

README.md

@@ -7,8 +7,6 @@ List of interfaces use as contract in other packages or DD projects
 This contract includes some strong typings, object relation and psalm validation.
 
 Require **`php >= 7.2.*`**
-- **`php 7.2.*`** ==> use tag v0.1.4
-- **`php >= 7.3` or `php 8.0`** ==> use tag v1.0.0
 
 ## Main contracts
 

composer.json

@@ -11,7 +11,7 @@
     }
   ],
   "require": {
-    "php": "^7.3 || ^8.0"
+    "php": "^7.2 || ^8.0"
   },
   "autoload": {
     "psr-4": {
@@ -22,7 +22,7 @@
     "vimeo/psalm": "^4.3",
     "squizlabs/php_codesniffer": "^3.5",
     "phpmd/phpmd": "^2.8",
-    "phpro/grumphp": "^1.2.0"
+    "phpro/grumphp": "^0.19 || ^1.2.0"
   },
   "suggest": {
     "vimeo/psalm": "Using psalm with this 'contract' will enable immutability and strong typing verification"