Version 0.10.196

+ Terminals widget got interface update:
  it now features information about current session cashier and new free places display.
+ login/logoff dialogs got new "Print" that will be used during check printing.
+ payments, gui and terminals modules are now able to handle session information coherently.
+ payments.Reader now implements auto-login into previously abandoned session
  at the program startup by checking state of last local session. If this session
  doesn't have information about session end, session_begin signal will be emitted to
  initiate session login procedure in connected components.
Version 0.10.222

+ Implemented db.DB.get_total_places
+ Fixed db.DB.get_config_strings to return list of unicode strings.
+ db.DB.generate_pass_event now correctly places null into events.Card
  instead of empty string.
+ login.LogoffDialog now supports check printing.
+ payments.Reader.to_printer implemented^ it is now possible
  to print any data asynchronously. This method may perform some basic
  text formatting via string replacement.
+ report.Report now generates list of unicode lines to be used with
  payments.Reader.to_printer.
Merge branch 'master' of https://github.com/stdk/stoppark_panel