Added fixed dependencies

Author: csarrazi

composer.json

@@ -13,9 +13,9 @@
         "symfony/dependency-injection": "^2.7|^3.0|^4.0",
         "symfony/filesystem": "^2.7|^3.0|^4.0",
         "twig/twig": "^1.12|^2.0",
-        "csa/guzzle-cache-middleware": "dev-master",
-        "csa/guzzle-history-middleware": "dev-master",
-        "csa/guzzle-stopwatch-middleware": "dev-master"
+        "csa/guzzle-cache-middleware": "^1.0.0",
+        "csa/guzzle-history-middleware": "^1.0.0",
+        "csa/guzzle-stopwatch-middleware": "^1.0.0"
     },
     "suggest": {
         "doctrine/cache": "Allows caching of responses",