changed Index (update URL) and Update(delete var $id) methods
changed  addString(add open property) method
add string
don`t good idea realization  poll question-answer
delete stupid link
add default url
default page
create poll sending, bad version 1
update index method, create sendPoll method
add <h1> tags
add open/close string
add new method getByPollId
add new method getByOpenAttribute