D331: sshpeer: make instance attributes and methods internal

[durin42 (Augie Fackler)]

durin42 accepted this revision.
durin42 added a comment.
This revision is now accepted and ready to land.


  I've queued up to this point in the series.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D331

To: indygreg, #hg-reviewers, durin42
Cc: durin42, lothiraldan, mercurial-devel