fixed query count by setting the read_mark_global
err, maybe my previous commit wasn't quite right
instance method 'have_not_read?' for reader
updated specs
make sure the read_mark only reacts to the object for which the read_marks were obtained
Merge pull request #3 from mikeki/add_have_not_read_instance_method_to_reader

Add have not read instance method to reader
Merge branch 'unversioned_fork'
Merge branch 'master' of github.com:mikeki/unread

Conflicts:
	lib/unread/readable_scopes.rb
	lib/unread/reader.rb
	lib/unread/reader_scopes.rb
	spec/reader_spec.rb