ADDED Speech class and tests for Speech
ADDED Actor and test
mend
UPDATED Person class: added method is_man? and is_woman?
ADDED Judje class and test
UPDATED Speech class\nIn initialize second parametr now optional\nAdded to_s method
mend
UPDATED Added to_s method to Person and Actor
UPDATED to_s method in Role class
mend
mend
UPDATED add few test to person_test.rb
UPDATED Actor class, initialize method can create speeches
 added alias :==, :eql? and :size, :length
UPDATED 'actor_test.rb' && 'speech_test.rb', added new tests
Minor fixes
UPDATED 'Speech' class, changed to_s method implementation
minor fixes