jrnl -from and -to times to not include the time themselves

Yeah... Hard to explain but if made an entry with:
jrnl today 18:00: Some journal entry here
and then you want to see that entry with the -from filter:
jrnl -from 18:00

It wont show the entry. But it will if you do:
jrnl -from 17:59

I just changed a few lines in Journal.py to <= and >= in the filter method.

Ps. Can anyone tell me how to put code comments in issues? So is has a distinguished box around it?