Removed EPMD client code and use the new library cl-epmd instead.
Updated the README.
Merge branch 'master' into dev
Use BINARY-DATA for node handshake. Moved handshake protocol code into new package and file.
Merge branch 'master' into dev

Conflicts:
	test/package.lisp
Updated README with new dependency on binary-data.
No need to make the stream used for handshake into a flexi-stream.
The byte-vector reader should actually return the read vector.
Use the new handshake protocol functions.
Make CALCULATE-DIGEST work for all CL implementations.
Bumped version to 0.2.2.