minor, make popper coru deliver colour_t objects
minor, use kvv reader for exp and log routine
test, provide regressions for log/exp commands
cosmetics, adapt comments to reflect code
test, PEBKAC, actually call log command in cattle log regression
minor, transparently compare time stamps that have ECHS_ALL_DAY/ECHS_ALL_SEC set
minor, do not change timestamp in co_appl_pop
Merge branch 'cmd/explog'

* cmd/explog:
  minor, do not change timestamp in co_appl_pop
  minor, transparently compare time stamps that have ECHS_ALL_DAY/ECHS_ALL_SEC set
  test, PEBKAC, actually call log command in cattle log regression
  cosmetics, adapt comments to reflect code
  test, provide regressions for log/exp commands
  minor, use kvv reader for exp and log routine
  minor, make popper coru deliver colour_t objects