[tracker] (6 commits) ...Merge branch 'wip/carlosg/datetime-fixes' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  702d56f... libtracker-data: Use correct binding types for datetimes (*)
  5782cf7... libtracker-data: Check better for errors in datetime parsin (*)
  9a0a375... libtracker-data: Forward errors from datetime conversions i (*)
  4e28ffb... libtracker-common: Ensure to print at least 4 year digits (*)
  d48fb81... tests: Add some tests for dates far in the past/future (*)
  1a93e1c... Merge branch 'wip/carlosg/datetime-fixes' into 'master'

(*) This commit already existed in another branch; no separate mail sent