trying to fix the coveralls.

Author: vitaly-t

lib/index.js

@@ -2,7 +2,7 @@
 
 var nodeHighVer = +process.versions.node.split('.')[0];
 
-// istanbul ignore next
+// istanbul ignore if
 if (nodeHighVer < 4) {
 
     // Starting from pg-promise v5.6.0, the library no longer supports legacy

package.json

@@ -49,7 +49,7 @@
     "@types/node": "6.x",
     "JSONStream": "1.x",
     "bluebird": "3.x",
-    "coveralls": "2.x",
+    "coveralls": "2.11",
     "istanbul": "0.4",
     "jasmine-node": "1.x",
     "jsdoc": "3.x",