move type conversion related code under sub-folder

lib/index.js

@@ -3,7 +3,7 @@ var util = require('util');
 var Client = require(__dirname+'/client');
 var defaults =  require(__dirname + '/defaults');
 var pool = require(__dirname + '/pool');
-var types = require(__dirname + '/types');
+var types = require(__dirname + '/types/');
 var Connection = require(__dirname + '/connection');
 
 var PG = function(clientConstructor) {

lib/native/index.js

@@ -18,7 +18,6 @@ try {
 }
 
 var Connection = binding.Connection;
-var types = require(__dirname + "/../types");
 var NativeQuery = require(__dirname + '/query');
 
 for(var k in EventEmitter.prototype) {

lib/native/query.js

@@ -1,7 +1,7 @@
 var EventEmitter = require('events').EventEmitter;
 var util = require('util');
 
-var types = require(__dirname + '/../types');
+var types = require(__dirname + '/../types/');
 var utils = require(__dirname + '/../utils');
 var Result = require(__dirname + '/../result');
 

lib/query.js

@@ -2,7 +2,7 @@ var EventEmitter = require('events').EventEmitter;
 var util = require('util');
 
 var Result = require(__dirname + '/result');
-var Types = require(__dirname + '/types');
+var Types = require(__dirname + '/types/');
 var utils = require(__dirname + '/utils');
 
 var Query = function(config, values, callback) {

lib/types/index.js

@@ -1,5 +1,5 @@
-var textParsers = require(__dirname + "/textParsers"),
-binaryParsers = require(__dirname + "/binaryParsers");
+var textParsers = require(__dirname + '/textParsers'),
+binaryParsers = require(__dirname + '/binaryParsers');
 
 var typeParsers = {
   text: {},