Merge branch 'dev', version 1.4.0:

Merge branch 'dev', version 1.4.0:

* dev: (48 commits)
  Name sorting difference.
  Prep for next release.
  Ignore Gemfile.lock.  Reference:
  Do not set cipher lists with jruby.
  Changes for support of Jruby 1.7.x and 9.x.
  Correct test_unsubscribe method:
  Correct ignore list for tests.
  Ignore single method test file.
  Update documentation, prep for 1.4.0 release.
  Interim release, for client testing.
  Move forward with work using IO::select on receives.
  Split up test methods, more granularity.
  Work on IO::select replacement for timeout.
  Add example utilities for sending and receiving files:
  Skip last unnecessary sleep.
  Yet another attempt to satisfy msys2 perms.
  Make file names work anywhere.
  Remove unnecessary require of rubygems.
  Make Win/Msys2 happy about file perms.
  Long defered updates to the Rakefile.
  ...