Added list of preprocessors to Database

lib/Database.js

@@ -5,6 +5,7 @@
 var MongoClient = require('mongodb').MongoClient;
 var Model = require('./Model');
 var Instance = require('./Instance');
+var _ = require('lodash');
 
 (require.modules || {}).Database = module.exports = Database;
 
@@ -29,6 +30,13 @@ function Database(config) {
 Database.Model = Model;
 Database.Instance = Instance;
 
+// Add preprocessor accessors
+var preprocessors = require('./preprocessors');
+for(var k in preprocessors) {
+	Database[k] = preprocessors[k];
+}
+
+
 Database.prototype.connect = function (cb) {
 	/// <summary>Connects to the database server specified in the provided configuration</summary>
 	/// <param name="cb" type="Function">A function to be called when the connection is completed, called immediately if one is already open</param>