[Swan-commit] Changes to ref refs/heads/master

[D. Hugh Redelmeier]

New commits:
commit 109a16cf2b2d1fd09ba59ead8b5a7a44c33944bc
Author: D. Hugh Redelmeier <hugh at mimosa.com>
Date:   Sun Aug 26 22:37:48 2018 -0400

    pluto: minimize scopes of variables
    
    also:
    
    - exploit auto struct initialization
    
    - ditch some seam-enabling code
    
    - convert an embarrassing pexpect to passert
      (it never fired)