Merge pull request #73 from Medium/ddb-update-npm-deps

Several dependencies need updates in order to support iojs 2.x

package.json

@@ -1,7 +1,7 @@
 {
   "name": "zcache",
   "description": "AWS zone-aware multi-layer cache",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "homepage": "https://github.com/Medium/zcache",
   "authors": [
     "Jeremy Stanley <[email protected]> (https://github.com/azulus)",
@@ -17,12 +17,12 @@
   "dependencies": {
     "node-memcache-parser-obvfork": "0.1.1",
     "generic-pool": "2.0.3",
-    "kew": "0.5.0",
+    "kew": "0.6.0",
     "redis": "0.12.1",
-    "hiredis": "0.2.0",
+    "hiredis": "0.4.0",
     "metrics": "0.1.6",
-    "hashring": "3.1.0",
-    "snappy": "3.0.7"
+    "hashring": "3.1.1",
+    "snappy": "3.2.0"
   },
   "devDependencies": {
     "nodeunit": "0.9.0",