Depend on lykkin's pg-pool commit: stops memory leaks

Author: androidStern

package.json

@@ -23,7 +23,7 @@
     "js-string-escape": "1.0.1",
     "packet-reader": "0.3.1",
     "pg-connection-string": "0.1.3",
-    "pg-pool": "~2.0.3",
+    "pg-pool": "https://github.com/lykkin/node-pg-pool#91b00809715ee2cf3ab661f2204916f98767dc65",
     "pg-types": "~1.12.1",
     "pgpass": "1.x",
     "semver": "4.3.2"