Doesn't use current time if date or time is missing.
Doesn't use current time if date or time is missing.

page.py specified that meta 'date', 'time' and 'datetime' could be None,
however the Epoch was used as a default in util:date_and_times().
This changeset removes that behavior.

Avaren/wok,vaygr/wok,Avaren/wok,edunham/wok,algor512/wok,algor512/wok,edunham/wok,ngokevin/wok,matt-garman/wok,gchriz/wok,Avaren/wok,matt-garman/wok,vaygr/wok,jneves/wok,edunham/wok,jneves/wok,mythmon/wok,moreati/wok,jneves/wok,ngokevin/wok,wummel/wok,abbgrade/wok,algor512/wok,moreati/wok,gchriz/wok,vaygr/wok,mythmon/wok,chrplace/wok,matt-garman/wok,chrplace/wok,abbgrade/wok,chrplace/wok,mythmon/wok,moreati/wok,gchriz/wok,wummel/wok