#refactor handle resourceful properties number is id, last_seen is mtime. new: created_at (ctime)
#fix: more return() after fail()
lib/errors: log all handled errors (client as debug, server as error level)
Merge branch 'refs/heads/master' into resourceful

* refs/heads/master:
  lib/errors: log all handled errors (client as debug, server as error level)
lib/register: writeKnoten() -> createKnoten(), updateKnoten()
makefile: couch env examples
more #refactor to resourceful
fail(): less log()ging, more return()ing