fixed test for Contact type
working test
Feature: Max sucks
Feature: Max sucksv2
shits shitty as shit
AddContact now works
Merge branch 'shitty' into develop
Merge branch 'develop' of github.com:maxsnew/kademlia-go into develop
Merge branch 'shitty' of github.com:maxsnew/kademlia-go into develop
Merge branch 'develop' of github.com:maxsnew/kademlia-go into develop
Bugfix: kademlia doesn't export extra crap
Merge branch 'develop' of github.com:maxsnew/kademlia-go into develop
hotfix
Feature: max sucks v3
Ping responds with nodeID instead of echoing.
Feature: Implemented Ping RPC

Added a new file bucket.go for bucket-specific code.
Refactored invoking RPCs.
Added more lookup code.
Removed shitty comment
added test for SendPing
fixed some dumb comments
Removed outdated comments.