PSR-4 update (#133)

* Update project to PSR-4

* Rename exceptions and copy duplicated functions for group in parent class

* Rename exceptions and copy duplicated functions for group in parent class

* start mockup ServerQuery

* Icon Download extended function (#131)

* Update Server.php

Option to Download an icon by name.
This has the benefit that you don't have to change the virtualserver_icon_id to download a specific icon.

* Update Server.php

fixed name was not set for download

composer.json

@@ -17,7 +17,11 @@
     "docs": "https://docs.planetteamspeak.com/ts3/php/framework"
   },
   "require": {
-    "php": ">=5.2.1"
+    "php": ">=5.6",
+    "ext-json": "*",
+    "ext-ctype": "*",
+    "ext-ssh2": "*",
+    "ext-openssl": "*"
   },
   "require-dev": {
     "phpunit/phpunit": "^4.8.35 || ^5.4.3 || ^6.0 || ^7.0",
@@ -30,19 +34,14 @@
     "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4"
   },
   "autoload": {
-    "files": ["libraries/TeamSpeak3/TeamSpeak3.php"]
-  },
-  "autoload-dev": {
-    "psr-0": {
-      "": "libraries/"
-    },
     "psr-4": {
-      "Tests\\": "tests"
+      "PlanetTeamSpeak\\TeamSpeak3Framework\\": "src/",
+      "PlanetTeamSpeak\\TeamSpeak3Framework\\Tests\\": "tests/"
     }
   },
   "scripts": {
-    "compatibility": "./vendor/bin/phpcs -ps --basepath=. --standard=PHPCompatibility --runtime-set testVersion 5.2- libraries/TeamSpeak3",
-    "test": "./vendor/bin/phpunit --no-coverage",
+    "compatibility": "./vendor/bin/phpcs -ps --basepath=. --standard=PHPCompatibility --runtime-set testVersion 5.2- src",
+    "test": "./vendor/bin/phpunit --no-coverage ./tests",
     "coverage": "./vendor/bin/phpunit"
   }
 }