Connection.database: Add options parameter to support disabling usage…

… of the cache for specific databases.

lib/cradle.js

@@ -253,8 +253,8 @@ cradle.Connection.prototype.request = function (options, callback) {
 //      We return an object with database functions,
 //      closing around the `name` argument.
 //
-cradle.Connection.prototype.database = function (name) {
-    return new cradle.Database(name, this)
+cradle.Connection.prototype.database = function (name, opts) {
+    return new cradle.Database(name, this, opts)
 };
 
 //

lib/cradle/database/index.js

@@ -2,12 +2,17 @@ var querystring = require('querystring'),
     Args = require('vargs').Constructor,
     cradle = require('../../cradle');
 
-var Database = exports.Database = function (name, connection) {
+var Database = exports.Database = function (name, connection, opts) {
     this.connection = connection;
     this.name = encodeURIComponent(name);
-    this.cache = new (cradle.Cache)(connection.options);
+    this.opts = {...connection.options};
+    if (opts && opts.disableCache) {
+       this.opts.cache = false;
+       this.opts.cacheSize = 0;
+    }
+    this.cache = new (cradle.Cache)(this.opts);
     this.cacheFeed = null;
-    if (connection.options.cache === 'follow') {
+    if (this.opts.cache === 'follow') {
        var self = this;
        this.exists(function(err, result) {
            if (result === true)
@@ -23,7 +28,7 @@ Database.prototype.configureCacheFeed = function () {
     }
     // For any entry already in the cache, update it if it changes
     // remotely.
-    if (this.connection.options.cache === 'follow') {
+    if (this.opts.cache === 'follow') {
         var self = this;
         this.changes(function (err, list) {
             var lastSeq = 0;