0.6.0

Bug fixes

• Fixed not finding field in tuple on crud.update if
  there are is_nullable fields in front of it that were added
  when the schema was changed for Tarantool version <= 2.2.

• Pagination over multipart primary key.

Features

• mode, prefer_replica and balance options for read operations
  (get, select, pairs). According to this parameters one of vshard
  calls (callrw, callro, callbro, callre, callbre) is selected