updated some redis client object access code

lib/redistat/database.rb

@@ -3,5 +3,8 @@ module Redistat
     def db
       Redistat.redis
     end
+    def self.db
+      Redistat.redis
+    end
   end
 end

spec/_redistat_spec.rb

@@ -3,21 +3,21 @@ require "spec_helper"
 describe Redistat do
   
   it "should have a valid redis client instance" do
-    redis.should_not be_nil
+    db.should_not be_nil
   end
   
   it "should be connected to the testing server" do
-    redis.client.port.should == 8379
+    db.client.port.should == 8379
-    redis.client.host.should == "127.0.0.1"
+    db.client.host.should == "127.0.0.1"
   end
   
   it "should be able to set and get data" do
-    redis.set "hello", "world"
+    db.set "hello", "world"
-    redis.get("hello").should == "world"
+    db.get("hello").should == "world"
-    redis.del("hello").should be_true
+    db.del("hello").should be_true
   end
   
-  def redis
+  def db
     Redistat.redis
   end