Update semver dep

composer.lock

@@ -66,16 +66,16 @@
         },
         {
             "name": "composer/semver",
-            "version": "1.4.1",
+            "version": "1.4.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/composer/semver.git",
-                "reference": "03c9de5aa25e7672c4ad251eeaba0c47a06c8b98"
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/composer/semver/zipball/03c9de5aa25e7672c4ad251eeaba0c47a06c8b98",
-                "reference": "03c9de5aa25e7672c4ad251eeaba0c47a06c8b98",
+                "url": "https://api.github.com/repos/composer/semver/zipball/c7cb9a2095a074d131b65a8a0cd294479d785573",
+                "reference": "c7cb9a2095a074d131b65a8a0cd294479d785573",
                 "shasum": ""
             },
             "require": {
@@ -124,7 +124,7 @@
                 "validation",
                 "versioning"
             ],
-            "time": "2016-06-02 09:04:51"
+            "time": "2016-08-30 16:08:34"
         },
         {
             "name": "composer/spdx-licenses",