Merge pull request #1 from bigfoot90/master

Allow for Symfony4 components and ignore composer.lock from git

Author: mauretto78

.gitignore

@@ -1 +1,2 @@
 vendor/
+composer.lock

composer.json

@@ -28,17 +28,17 @@
     ],
     "require": {
         "mauretto78/in-memory-list": "^2.0",
-        "symfony/http-kernel": "~2.3|~3.0",
-        "symfony/dependency-injection": "~2.3|~3.0",
-        "symfony/yaml": "~2.3|~3.0",
-        "symfony/config": "~2.3|~3.0",
-        "symfony/framework-bundle": "^3.3",
-        "sensio/framework-extra-bundle": "^3.0",
+        "symfony/http-kernel": "^2.3|^3.0|^4.0",
+        "symfony/dependency-injection": "^2.3|^3.0|^4.0",
+        "symfony/yaml": "^2.3|^3.0|^4.0",
+        "symfony/config": "^2.3|^3.0|^4.0",
+        "symfony/framework-bundle": "^3.3|^4.0|^5.0",
+        "sensio/framework-extra-bundle": "^3.0|^4.0",
         "twig/extensions": "^1.5"
     },
     "autoload": {
         "psr-4": {
-          "InMemoryList\\Bundle\\": ""
+          "InMemoryList\\Bundle\\": "src/"
         }
     }
 }