Better indication that pg.pools is a private api

Author: brianc

lib/index.js

@@ -12,7 +12,7 @@ var PG = function(clientConstructor) {
  this.Client = clientConstructor;
  this.Query = this.Client.Query;
  this.Pool = Pool;
- this.pools = [];
+ this._pools = [];
  this.Connection = Connection;
  this.types = require('pg-types');
 };
@@ -21,14 +21,14 @@ util.inherits(PG, EventEmitter);
 
 PG.prototype.end = function() {
  var self = this;
- var keys = Object.keys(this.pools);
+ var keys = Object.keys(this._pools);
  var count = keys.length;
  if(count === 0) {
  self.emit('end');
  } else {
  keys.forEach(function(key) {
- var pool = self.pools[key];
- delete self.pools[key];
+ var pool = self._pools[key];
+ delete self._pools[key];
  pool.pool.drain(function() {
  pool.pool.destroyAllNow(function() {
  count--;
@@ -58,8 +58,8 @@ PG.prototype.connect = function(config, callback) {
  config.idleTimeoutMillis = config.idleTimeoutMillis || config.poolIdleTimeout || defaults.poolIdleTimeout;
  config.log = config.log || config.poolLog || defaults.poolLog;
 
- this.pools[poolName] = this.pools[poolName] || new Pool(config, this.Client);
- var pool = this.pools[poolName];
+ this._pools[poolName] = this._pools[poolName] || new Pool(config, this.Client);
+ var pool = this._pools[poolName];
  pool.connect(callback);
  if(!pool.listeners('error').length) {
  //propagate errors up to pg object