Stricten the AUTH package format for GUEST user.
Stricten the AUTH package format for GUEST user.

If no password is set for GUEST user, the authentication
request must not contain auth data, only user name.

guard163/tarantool,dkorolev/tarantool,condor-the-bird/tarantool,mejedi/tarantool,ocelot-inc/tarantool,condor-the-bird/tarantool,dkorolev/tarantool,mejedi/tarantool,nvoron23/tarantool,vasilenkomike/tarantool,guard163/tarantool,nvoron23/tarantool,rtsisyk/tarantool,KlonD90/tarantool,Sannis/tarantool,ocelot-inc/tarantool,ocelot-inc/tarantool,KlonD90/tarantool,condor-the-bird/tarantool,nvoron23/tarantool,rtsisyk/tarantool,condor-the-bird/tarantool,nvoron23/tarantool,rtsisyk/tarantool,vasilenkomike/tarantool,vasilenkomike/tarantool,dkorolev/tarantool,mejedi/tarantool,Sannis/tarantool,ocelot-inc/tarantool,vasilenkomike/tarantool,Sannis/tarantool,nvoron23/tarantool,KlonD90/tarantool,Sannis/tarantool,vasilenkomike/tarantool,guard163/tarantool,KlonD90/tarantool,dkorolev/tarantool,dkorolev/tarantool,guard163/tarantool,KlonD90/tarantool,Sannis/tarantool,condor-the-bird/tarantool,mejedi/tarantool,nvoron23/tarantool,guard163/tarantool,rtsisyk/tarantool