Fix food orders
quicktill 0.10.2
Attempt at screen unblanking on user token receipt

fcntl.ioctl with constants from the setterm source.
Fix timesheets properly!
Fix printing of session totals from dialog
quicktill 0.10.3
A few database access optimisations

Use joined loads and undefer summary column access where appropriate to
reduce the number of database round-trips per keypress.  (The ideal
number of database round trips per keypress is zero or one!)
quicktill 0.10.4