Log Message:
- updated to 1.20
- DESTDIR support
- maintainer change
- oked by joerg, rillig
ChangeLog:
Expect v1.20
============
+ added early return to send and send_slow if filehandle was closed
+ added test for send_slow
! fixed bug in expect() param handling (exact pattern "0" was ignored)
! fixed bug in _make_readable()
+ now included example ssh.pl in MANIFEST so it gets packaged :-(

Expect v1.19
============
! fixed non-localized usage of $_
+ added new example ssh.pl

Expect v1.18
============
! added another pipe to synchronize spawning. Closing the slave in the
  parent can lead to a hang if the child already wrote something into
  it...
! fixed REs in test to deal with shell prompts

Expect v1.17
============
! fixed param check for expect() to allow expect(undef) et al

Expect v1.16
============
! fixed hangup with pipe sync upon spawn by adding close-on-exec to pipe handle
! fixed log_file(undef) when logging to CODE ref
! fixed $? mangling in DESTROY by saving & restoring status
! fixed hangup in send_slow
! fixed ugly solaris hack by disabling it for raw ptys
+ added param check for expect()