Merge pull request #1 from felixsand/dependency_updates

- Use PHPUnit 6.3 for unit and integration tests
- Add return types and type hinting to classes
- Move sources into own PSR-4 namespace
- Now requires PHP 7.1
- Clean up dependencies and update them
- Move tests into own namespace

.travis.yml

@@ -1,9 +1,7 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - hhvm
+  - 7.1
 
 install: composer install --dev --no-interaction
 

README.md

@@ -74,7 +74,7 @@ $phPsst = new PhPsst(new SqLiteStorage($db, 10));
 ```
 
 ## Requirements
-- PHP 5.6 or above.
+- PHP 7.1 or above.
 - Redis (for the Redis Storage)
 
 ## Author

composer.json

@@ -13,16 +13,16 @@
         }
     ],
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=7.1",
         "predis/predis": "~1.1",
-        "Illuminate/Encryption": "~5.2",
-        "paragonie/random_compat": "~2.0",
-        "symfony/polyfill-php56": "~1.0"
+        "Illuminate/Encryption": "~5.4"
     },
     "require-dev": {
-      "phpunit/phpunit": "~5.4"
+      "phpunit/phpunit": "~6.3"
     },
     "autoload": {
-      "psr-4": { "PhPsst\\": "src/" }
+        "psr-4": {
+            "": "src/"
+        }
     }
 }