Include tests in dev classmap only and fix its namespace (#28)

Author: simonberger

.travis.yml

@@ -6,6 +6,9 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
+  - 7.3
+  - 7.4
 
 before_script:
   - wget http://getcomposer.org/composer.phar

composer.json

@@ -17,6 +17,16 @@
         "m6web/coke": "~1.2"
     },
     "autoload": {
-        "psr-0": { "M6Web\\Component\\Statsd\\": "src/" }
+        "psr-4": {
+            "M6Web\\Component\\Statsd\\": "src/M6Web/Component/Statsd"
+        },
+        "exclude-from-classmap": [
+            "src/M6Web/Component/Tests/"
+        ]
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "M6Web\\Component\\Statsd\\Tests\\": "src/M6Web/Component/Tests/"
+        }
     }
 }

src/M6Web/Component/Tests/Units/Client.php

@@ -1,5 +1,5 @@
 <?php
-namespace M6Web\Component\Statsd\tests\units;
+namespace M6Web\Component\Statsd\Tests\Units;
 
 use
     \M6Web\Component\Statsd,

src/M6Web/Component/Tests/Units/MessageEntity.php

@@ -1,5 +1,5 @@
 <?php
-namespace M6Web\Component\Statsd\tests\units;
+namespace M6Web\Component\Statsd\Tests\Units;
 
 use
     \M6Web\Component\Statsd,