Sent in chans and subscriptions columns
Sent in chans and subscriptions columns

Now it shows "from" instead of "to" column when selecting sent folder in
subscriptions or chans.

Fixes #53

Atheros1/PyBitmessage,mailchuck/PyBitmessage,mailchuck/PyBitmessage,lightrabbit/PyBitmessage,mailchuck/PyBitmessage,mailchuck/PyBitmessage,lightrabbit/PyBitmessage,Atheros1/PyBitmessage,Atheros1/PyBitmessage,lightrabbit/PyBitmessage,Atheros1/PyBitmessage,lightrabbit/PyBitmessage