adding a table and engine

lib/arel.rb

-module Arel
-end
+require 'arel/version'
+require 'arel/table'
+require 'arel/sql/engine'

lib/arel/sql/engine.rb

+module Arel
+  module Sql
+    class Engine
+      def self.new thing
+        warn "#{caller.first} -- Engine will be removed"
+        thing
+      end
+    end
+  end
+end

lib/arel/table.rb

+module Arel
+  class Table
+    @engine = nil
+    class << self; attr_accessor :engine; end
+
+    def initialize table_name, engine
+      @table_name = table_name
+      @engine     = engine
+    end
+
+    def [] attribute
+      raise attribute
+    end
+  end
+end

lib/arel/version.rb

+module Arel
+  VERSION = '0.4.1.beta.1'
+end