doc INITIALS_LEN

Signed-off-by: Mattias Andrée <maandree@operamail.com>
create a class of spikedb

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

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

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