upgrade tchannel@2.7.4

Raynos · Raynos · commit 104358922b98 · 2015-08-31T13:21:20.000-07:00
diff --git a/.npmrc b/.npmrc
@@ -0,0 +1,3 @@
+{
+    "save-exact": true
+}
diff --git a/package.json b/package.json
@@ -41,7 +41,7 @@
     "static-config": "2.1.0",
     "tape-cluster": "2.0.1",
     "tcap": "5.4.2",
-    "tchannel": "2.7.3",
+    "tchannel": "2.7.4",
     "tcurl": "4.8.1",
     "thriftify": "1.0.0-alpha14",
     "uber-statsd-client": "1.3.2",
