adding a couple things to the changelog

CHANGELOG.rdoc

@@ -1,5 +1,9 @@
 1.4.0 (not yet released)
 
+* Adding Gemfile; to get specs running just +bundle+ and +rake+ - see issue #163
+
+* Stop at 'cannot' definition when there are no conditions - see issue #161
+
 * The :through option will now call a method with that name if instance variable doesn't exist - see issue #146
 
 * Adding :shallow option to load_resource to bring back old behavior of fetching a child without a parent

lib/cancan/ability.rb

@@ -224,7 +224,7 @@ module CanCan
     def has_block?(action, subject)
       relevant_can_definitions(action, subject).any?(&:only_block?)
     end
-    
+
     def has_raw_sql?(action, subject)
       relevant_can_definitions(action, subject).any?(&:only_raw_sql?)
     end
@@ -271,7 +271,7 @@ module CanCan
         can_definition.relevant? action, subject
       end
     end
-    
+
     def relevant_can_definitions_for_match(action, subject)
       relevant_can_definitions(action, subject).each do |can_definition|
         if can_definition.only_raw_sql?

lib/cancan/can_definition.rb

@@ -56,7 +56,7 @@ module CanCan
     def only_block?
       conditions_empty? && !@block.nil?
     end
-    
+
     def only_raw_sql?
       @block.nil? && !conditions_empty? && !@conditions.kind_of?(Hash)
     end

spec/cancan/ability_spec.rb

@@ -324,7 +324,7 @@ describe CanCan::Ability do
     end
     @ability.should have_block(:read, :foo)
   end
-  
+
   it "should know when raw sql is used in conditions" do
     @ability.can :read, :foo
     @ability.should_not have_raw_sql(:read, :foo)

spec/cancan/active_record_additions_spec.rb

@@ -56,14 +56,14 @@ describe CanCan::ActiveRecordAdditions do
     stub(@model_class).scoped{|*args| args.inspect}
     @model_class.accessible_by(@ability).should == :found_records
   end
-  
+
   it "should not allow to fetch records when ability with just block present" do
     @ability.can :read, @model_class do false end
     lambda {
       @model_class.accessible_by(@ability)
     }.should raise_error(CanCan::Error)
   end
-  
+
   it "should not allow to check ability on object when nonhash sql ability definition without block present" do
     @ability.can :read, @model_class, ['bar = ?', 1]
     lambda {