Update dependencies and refactor main application class

composer.json

@@ -23,11 +23,14 @@
         "ext-curl": "*",
         "ext-mbstring": "*",
         "monolog/monolog": "^1.23",
-        "monolog/monolog": "^1.23",
+        "illuminate/container": "5.4.*|5.5.*|5.6.*",
+        "illuminate/support": "5.4.*|5.5.*|5.6.*",
+        "illuminate/http": "5.4.*|5.5.*|5.6.*",
         "guzzlehttp/guzzle": "^6.3"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8|^5.7|^6.5|^7.0",
+        "symfony/var-dumper": "3.4.*|~4.0",
         "squizlabs/php_codesniffer": "^3.2"
     },
     "autoload": {