Always coerce Entry#sheet and Meta#value to a string.
Always coerce Entry#sheet and Meta#value to a string.

Sometimes sqlite like to return an integer fro strings like "2345".
Can't replicate this in a test case but this fixes an issue I was
having, being unable to kill a numerically named sheet.

rasata/timetrap,rasata/timetrap,apeschar/timetrap,apeschar/timetrap