minor: fix default timeout option

lib/mongo/cursor.rb

@@ -45,7 +45,7 @@ module Mongo
       @order      = options[:order]
       @hint       = options[:hint]
       @snapshot   = options[:snapshot]
-      @timeout    = options[:timeout]  || false
+      @timeout    = options[:timeout]  || true
       @explain    = options[:explain]
       @socket     = options[:socket]
       @tailable   = options[:tailable] || false

test/collection_test.rb

@@ -297,6 +297,11 @@ class TestCollection < Test::Unit::TestCase
     end
   end
 
+  def test_defualt_timeout
+    cursor = @@test.find
+    assert_equal true, cursor.timeout
+  end
+
   def test_fields_as_hash
     @@test.save(:a => 1, :b => 1, :c => 1)
 

test/unit/cursor_test.rb

@@ -9,6 +9,10 @@ class CursorTest < Test::Unit::TestCase
       @cursor     = Cursor.new(@collection)
     end
 
+    should "set timeout" do
+      assert_equal true, @cursor.timeout
+    end
+
     should "set selector" do
       assert @cursor.selector == {}