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diff --git a/node_modules/bson/deserializer_bak.js b/node_modules/bson/deserializer_bak.js
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+++ b/node_modules/bson/deserializer_bak.js
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+"use strict"
+
+var writeIEEE754 = require('../float_parser').writeIEEE754,
+	readIEEE754 = require('../float_parser').readIEEE754,
+	f = require('util').format,
+	Long = require('../long').Long,
+  Double = require('../double').Double,
+  Timestamp = require('../timestamp').Timestamp,
+  ObjectID = require('../objectid').ObjectID,
+  Symbol = require('../symbol').Symbol,
+  Code = require('../code').Code,
+  MinKey = require('../min_key').MinKey,
+  MaxKey = require('../max_key').MaxKey,
+  DBRef = require('../db_ref').DBRef,
+  BSONRegExp = require('../regexp').BSONRegExp,
+  Binary = require('../binary').Binary;
+
+var BSON = {};
+
+/**
+ * Contains the function cache if we have that enable to allow for avoiding the eval step on each deserialization, comparison is by md5
+ *
+ * @ignore
+ * @api private
+ */
+var functionCache = BSON.functionCache = {};
+
+/**
+ * Number BSON Type
+ *
+ * @classconstant BSON_DATA_NUMBER
+ **/
+BSON.BSON_DATA_NUMBER = 1;
+/**
+ * String BSON Type
+ *
+ * @classconstant BSON_DATA_STRING
+ **/
+BSON.BSON_DATA_STRING = 2;
+/**
+ * Object BSON Type
+ *
+ * @classconstant BSON_DATA_OBJECT
+ **/
+BSON.BSON_DATA_OBJECT = 3;
+/**
+ * Array BSON Type
+ *
+ * @classconstant BSON_DATA_ARRAY
+ **/
+BSON.BSON_DATA_ARRAY = 4;
+/**
+ * Binary BSON Type
+ *
+ * @classconstant BSON_DATA_BINARY
+ **/
+BSON.BSON_DATA_BINARY = 5;
+/**
+ * ObjectID BSON Type
+ *
+ * @classconstant BSON_DATA_OID
+ **/
+BSON.BSON_DATA_OID = 7;
+/**
+ * Boolean BSON Type
+ *
+ * @classconstant BSON_DATA_BOOLEAN
+ **/
+BSON.BSON_DATA_BOOLEAN = 8;
+/**
+ * Date BSON Type
+ *
+ * @classconstant BSON_DATA_DATE
+ **/
+BSON.BSON_DATA_DATE = 9;
+/**
+ * null BSON Type
+ *
+ * @classconstant BSON_DATA_NULL
+ **/
+BSON.BSON_DATA_NULL = 10;
+/**
+ * RegExp BSON Type
+ *
+ * @classconstant BSON_DATA_REGEXP
+ **/
+BSON.BSON_DATA_REGEXP = 11;
+/**
+ * Code BSON Type
+ *
+ * @classconstant BSON_DATA_CODE
+ **/
+BSON.BSON_DATA_CODE = 13;
+/**
+ * Symbol BSON Type
+ *
+ * @classconstant BSON_DATA_SYMBOL
+ **/
+BSON.BSON_DATA_SYMBOL = 14;
+/**
+ * Code with Scope BSON Type
+ *
+ * @classconstant BSON_DATA_CODE_W_SCOPE
+ **/
+BSON.BSON_DATA_CODE_W_SCOPE = 15;
+/**
+ * 32 bit Integer BSON Type
+ *
+ * @classconstant BSON_DATA_INT
+ **/
+BSON.BSON_DATA_INT = 16;
+/**
+ * Timestamp BSON Type
+ *
+ * @classconstant BSON_DATA_TIMESTAMP
+ **/
+BSON.BSON_DATA_TIMESTAMP = 17;
+/**
+ * Long BSON Type
+ *
+ * @classconstant BSON_DATA_LONG
+ **/
+BSON.BSON_DATA_LONG = 18;
+/**
+ * MinKey BSON Type
+ *
+ * @classconstant BSON_DATA_MIN_KEY
+ **/
+BSON.BSON_DATA_MIN_KEY = 0xff;
+/**
+ * MaxKey BSON Type
+ *
+ * @classconstant BSON_DATA_MAX_KEY
+ **/
+BSON.BSON_DATA_MAX_KEY = 0x7f;
+
+/**
+ * Binary Default Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_DEFAULT
+ **/
+BSON.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+/**
+ * Binary Function Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_FUNCTION
+ **/
+BSON.BSON_BINARY_SUBTYPE_FUNCTION = 1;
+/**
+ * Binary Byte Array Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_BYTE_ARRAY
+ **/
+BSON.BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+/**
+ * Binary UUID Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_UUID
+ **/
+BSON.BSON_BINARY_SUBTYPE_UUID = 3;
+/**
+ * Binary MD5 Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_MD5
+ **/
+BSON.BSON_BINARY_SUBTYPE_MD5 = 4;
+/**
+ * Binary User Defined Type
+ *
+ * @classconstant BSON_BINARY_SUBTYPE_USER_DEFINED
+ **/
+BSON.BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+
+// BSON MAX VALUES
+BSON.BSON_INT32_MAX = 0x7FFFFFFF;
+BSON.BSON_INT32_MIN = -0x80000000;
+
+BSON.BSON_INT64_MAX = Math.pow(2, 63) - 1;
+BSON.BSON_INT64_MIN = -Math.pow(2, 63);
+
+// JS MAX PRECISE VALUES
+BSON.JS_INT_MAX = 0x20000000000000;  // Any integer up to 2^53 can be precisely represented by a double.
+BSON.JS_INT_MIN = -0x20000000000000;  // Any integer down to -2^53 can be precisely represented by a double.
+
+// Internal long versions
+var JS_INT_MAX_LONG = Long.fromNumber(0x20000000000000);  // Any integer up to 2^53 can be precisely represented by a double.
+var JS_INT_MIN_LONG = Long.fromNumber(-0x20000000000000);  // Any integer down to -2^53 can be precisely represented by a double.
+
+var deserialize = function(buffer, options, isArray) {
+	var index = 0;
+	// Read the document size
+  var size = buffer[index++] | buffer[index++] << 8 | buffer[index++] << 16 | buffer[index++] << 24;
+
+	// Ensure buffer is valid size
+  if(size < 5 || buffer.length < size) {
+		throw new Error("corrupt bson message");
+	}
+
+	// Illegal end value
+	if(buffer[size - 1] != 0) {
+		throw new Error("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+	}
+
+	// Start deserializtion
+	return deserializeObject(buffer, options, isArray);
+}
+
+// // Reads in a C style string
+// var readCStyleStringSpecial = function(buffer, index) {
+// 	// Get the start search index
+// 	var i = index;
+// 	// Locate the end of the c string
+// 	while(buffer[i] !== 0x00 && i < buffer.length) {
+// 		i++
+// 	}
+// 	// If are at the end of the buffer there is a problem with the document
+// 	if(i >= buffer.length) throw new Error("Bad BSON Document: illegal CString")
+// 	// Grab utf8 encoded string
+// 	var string = buffer.toString('utf8', index, i);
+// 	// Update index position
+// 	index = i + 1;
+// 	// Return string
+// 	return {s: string, i: index};
+// }
+
+// Reads in a C style string
+var readCStyleStringSpecial = function(buffer, index) {
+	// Get the start search index
+	var i = index;
+	// Locate the end of the c string
+	while(buffer[i] !== 0x00 && i < buffer.length) {
+		i++
+	}
+	// If are at the end of the buffer there is a problem with the document
+	if(i >= buffer.length) throw new Error("Bad BSON Document: illegal CString")
+	// Grab utf8 encoded string
+	return buffer.toString('utf8', index, i);
+}
+
+var DeserializationMethods = {}
+DeserializationMethods[BSON.BSON_DATA_OID] = function(name, object, buffer, index) {
+	var string = buffer.toString('binary', index, index + 12);
+	object[name] = new ObjectID(string);
+	return index + 12;
+}
+
+DeserializationMethods[BSON.BSON_DATA_NUMBER] = function(name, object, buffer, index) {
+	object[name] = buffer.readDoubleLE(index);
+  return index + 8;
+}
+
+DeserializationMethods[BSON.BSON_DATA_INT] = function(name, object, buffer, index) {
+	object[name] = buffer.readInt32LE(index);
+	return index + 4;
+}
+
+DeserializationMethods[BSON.BSON_DATA_TIMESTAMP] = function(name, object, buffer, index) {
+  var lowBits = buffer[index++] | buffer[index++] << 8 | buffer[index++] << 16 | buffer[index++] << 24;
+  var highBits = buffer[index++] | buffer[index++] << 8 | buffer[index++] << 16 | buffer[index++] << 24;
+  object[name] = new Timestamp(lowBits, highBits);
+	return index;
+}
+
+DeserializationMethods[BSON.BSON_DATA_STRING] = function(name, object, buffer, index) {
+  var stringSize = buffer[index++] | buffer[index++] << 8 | buffer[index++] << 16 | buffer[index++] << 24;
+	if(stringSize <= 0 || stringSize > (buffer.length - index) || buffer[index + stringSize - 1] != 0) throw new Error("bad string length in bson");
+  object[name] = buffer.toString('utf8', index, index + stringSize - 1);
+  return index + stringSize;
+}
+
+DeserializationMethods[BSON.BSON_DATA_BOOLEAN] = function(name, object, buffer, index) {
+  object[name] = buffer[index++] == 1;
+	return index;
+}
+
+var deserializeObject = function(buffer, options, isArray) {
+  // Options
+  options = options == null ? {} : options;
+  var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+  var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+  var cacheFunctionsCrc32 = options['cacheFunctionsCrc32'] == null ? false : options['cacheFunctionsCrc32'];
+  var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+	var fieldsAsRaw = options['fieldsAsRaw'] == null ? {} : options['fieldsAsRaw'];
+  // Return BSONRegExp objects instead of native regular expressions
+  var bsonRegExp = typeof options['bsonRegExp'] == 'boolean' ? options['bsonRegExp'] : false;
+  var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+
+  // Validate that we have at least 4 bytes of buffer
+  if(buffer.length < 5) throw new Error("corrupt bson message < 5 bytes long");
+
+  // Set up index
+  var index = typeof options['index'] == 'number' ? options['index'] : 0;
+
+	// Read the document size
+  var size = buffer[index++] | buffer[index++] << 8 | buffer[index++] << 16 | buffer[index++] << 24;
+
+	// Ensure buffer is valid size
+  if(size < 5 || size > buffer.length) throw new Error("corrupt bson message");
+
+  // Create holding object
+  var object = isArray ? [] : {};
+
+  // While we have more left data left keep parsing
+  while(true) {
+    // Read the type
+    var elementType = buffer[index++];
+    // If we get a zero it's the last byte, exit
+    if(elementType == 0) break;
+    var name = readCStyleStringSpecial(buffer, index);
+		index = index + name.length + 1;
+
+		// console.log("----------- 0 " + elementType + " :: " + name)
+		index = DeserializationMethods[elementType](name, object, buffer, index);
+		// console.log('--------------- 1')
+  }
+
+  // Check if we have a db ref object
+  if(object['$id'] != null) object = new DBRef(object['$ref'], object['$id'], object['$db']);
+
+  // Return the final objects
+  return object;
+}
+
+/**
+ * Ensure eval is isolated.
+ *
+ * @ignore
+ * @api private
+ */
+var isolateEvalWithHash = function(functionCache, hash, functionString, object) {
+  // Contains the value we are going to set
+  var value = null;
+
+  // Check for cache hit, eval if missing and return cached function
+  if(functionCache[hash] == null) {
+    eval("value = " + functionString);
+    functionCache[hash] = value;
+  }
+  // Set the object
+  return functionCache[hash].bind(object);
+}
+
+/**
+ * Ensure eval is isolated.
+ *
+ * @ignore
+ * @api private
+ */
+var isolateEval = function(functionString) {
+  // Contains the value we are going to set
+  var value = null;
+  // Eval the function
+  eval("value = " + functionString);
+  return value;
+}
+
+module.exports = deserialize