Added support for Laravel 7.x

* Added support for Laravel 7.x;
* ejetar/laravel-formatter, ejetar/accept-header-interpreter, symfony/var-dumper and orchestra/testbench version upgraded;
* phpunit version upgraded;
* Modified minimum version of PHP in composer.json;

Author: ggirardi1

composer.json

@@ -2,7 +2,7 @@
     "name": "ejetar/api-response-formatter",
     "description": "A simple and fast \uD83D\uDE80 library that displays responses in various formats, according to the Accept header, entered by the user. The library currently displays responses in JSON, XML, CSV, and YAML.\n",
     "homepage": "https://ejetar.com/projects/api-response-formatter",
-    "version": "1.0.1-alpha",
+    "version": "1.1.0-alpha",
     "readme": "README.md",
     "type": "library",
     "license": "MIT",
@@ -31,16 +31,16 @@
         "laravel"
     ],
     "require": {
-        "php": ">=5.4",
-        "ejetar/accept-header-interpreter": "^1.0.0-alpha",
-        "ejetar/laravel-formatter": "^3.1",
-        "illuminate/support": ">=5",
-        "illuminate/http": ">=5"
+        "php": ">=7.2.5",
+        "ejetar/accept-header-interpreter": "~1.1.0-alpha",
+        "ejetar/laravel-formatter": "~3.0",
+        "illuminate/support": "~5.4.0|~5.5.0|~5.6.0|~5.7.0|~5.8.0|~6.0|~7.0",
+        "illuminate/http": "~5.4.0|~5.5.0|~5.6.0|~5.7.0|~5.8.0|~6.0|~7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.2",
-        "symfony/var-dumper": "^4.3.0",
-        "orchestra/testbench": "^3.8"
+        "phpunit/phpunit": "^9.0",
+        "symfony/var-dumper": "~5.0",
+        "orchestra/testbench": "~3.4|~3.5|~3.6|~3.7|~3.8|~4.0|~5.0"
     },
     "minimum-stability": "stable",
     "autoload": {