Change logs for cram source package in Impish

cram (0.7-4) unstable; urgency=medium

  [ Ondřej Nový ]
  * d/copyright: Use https protocol in Format field
  * Use debhelper-compat instead of debian/compat.

  [ Sandro Tosi ]
  * Drop python2 support; Closes: #936340

 -- Sandro Tosi <email address hidden>  Fri, 13 Dec 2019 16:06:10 -0500