Updated to final PSR-15

composer.json

@@ -22,18 +22,18 @@
     "require": {
         "php": "^7.1",
         "fig/http-message-util": "^1.1.2",
-        "http-interop/http-server-middleware": "^1.0.1",
-        "psr/http-message": "^1.0.1"
+        "psr/http-message": "^1.0.1",
+        "psr/http-server-middleware": "^1.0"
     },
     "require-dev": {
-        "malukenho/docheader": "^0.1.5",
-        "phpunit/phpunit": "^6.4.4",
+        "malukenho/docheader": "^0.1.6",
+        "phpunit/phpunit": "^6.5.5",
         "zendframework/zend-coding-standard": "~1.0.0"
     },
     "suggest": {
-        "zendframework/zend-expressive-aurarouter": "^1.0 to use the Aura.Router routing adapter",
-        "zendframework/zend-expressive-fastroute": "^1.2 to use the FastRoute routing adapter",
-        "zendframework/zend-expressive-zendrouter": "^1.2 to use the zend-router routing adapter"
+        "zendframework/zend-expressive-aurarouter": "^3.0 to use the Aura.Router routing adapter",
+        "zendframework/zend-expressive-fastroute": "^3.0 to use the FastRoute routing adapter",
+        "zendframework/zend-expressive-zendrouter": "^3.0 to use the zend-router routing adapter"
     },
     "autoload": {
         "psr-4": {