Revision 30

- added external B-tree using BerkeleyDB::Btree on /dev/shm for efficiat digest to integer
- version bump [0.02]
- cleanup output to always start with $port for easy overview
- display ticks every 1000 and 10000 records while processing view
- don't serialize output with Data::Dump, use Storable instead to save it on disk
- extracted info into sub