bump dependencies to stable releases

Author: xabbuh

composer.json

@@ -13,13 +13,13 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "php-xapi/model": "^0.5",
-        "php-xapi/serializer": "^0.4",
+        "php-xapi/model": "^1.0",
+        "php-xapi/serializer": "^1.0",
         "symfony/serializer": "~2.8|~3.0"
     },
     "require-dev": {
-        "php-xapi/json-test-fixtures": "^0.2.3",
-        "php-xapi/test-fixtures": "^0.5",
+        "php-xapi/json-test-fixtures": "^1.0",
+        "php-xapi/test-fixtures": "^1.0",
         "phpspec/phpspec": "~2.3"
     },
     "provide": {
@@ -38,7 +38,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.1.x-dev"
+            "dev-master": "0.2.x-dev"
         }
     }
 }