Merge pull request #5 from mknoszlig/master

Problem: gen. test code not integrated in lein.
Problem: command names are not nice

Solution: use more explicit command names
Merge pull request #6 from hintjens/master

Problem: command names are not nice
Problem: can't send hello msg to remote machine.
Merge pull request #7 from mknoszlig/master

Problem: can't send hello msg to remote machine.