Pin using ~ operator and @dev stability

Author: weierophinney

composer.json

@@ -20,18 +20,19 @@
     "repositories": [
         { "type": "composer", "url": "https://packages.zendframework.com" }
     ],
+    "minimum-stability": "dev",
     "require": {
         "php": ">=5.3.3",
-        "zendframework/zend-eventmanager": "~2.3-dev",
-        "zendframework/zend-json": "~2.3-dev",
-        "zendframework/zend-mvc": "~2.3-dev",
-        "zendframework/zend-view": "~2.3-dev"
+        "zendframework/zend-eventmanager": "~2.3@dev",
+        "zendframework/zend-json": "~2.3@dev",
+        "zendframework/zend-mvc": "~2.3@dev",
+        "zendframework/zend-view": "~2.3@dev"
     },
     "require-dev": {
         "phpunit/PHPUnit": "3.7.*",
-        "zendframework/zend-console": "~2.3-dev",
-        "zendframework/zend-http": "~2.3-dev",
-        "zendframework/zend-loader": "~2.3-dev"
+        "zendframework/zend-console": "~2.3@dev",
+        "zendframework/zend-http": "~2.3@dev",
+        "zendframework/zend-loader": "~2.3@dev"
     },
     "autoload": {
         "psr-0": {