split out logic for converting png files

Signed-off-by: Mattias Andrée <maandree@operamail.com>
split out logic for compressing message

Signed-off-by: Mattias Andrée <maandree@operamail.com>
make snowflake quotes work with -c

Signed-off-by: Mattias Andrée <maandree@operamail.com>
m

Signed-off-by: Mattias Andrée <maandree@operamail.com>
split out logic for the message

Signed-off-by: Mattias Andrée <maandree@operamail.com>
it really should not have been `is` here, that would not make since

Signed-off-by: Mattias Andrée <maandree@operamail.com>