Pretty print; removing author from releasing lock, bug fix.
fixed attempted serialization of Socket in Locker.handleInfoRequest, finished prettyPrint in get_info tool, added lock_requestor example
fixed example lock types
LockRequestor._releaseLock: removed unused argument author
removed unnecessary print
Merge pull request #7 from cleandart/info-tool

Adding possibility to specify author (who is requesting the lock). Addin...