Updating version reqs

Author: cryptiklemur

composer.json

@@ -35,7 +35,7 @@
         "cache/integration-tests": "^0.7"
     },
     "provide":           {
-        "psr/cache-implementation": "~1.0"
+        "psr/cache-implementation": "^1.0"
     },
     "autoload":          {
         "psr-4": {