Merge commit 'mhy/master' into merge

* commit 'mhy/master':
  docstring
  move logic into a function
  more tidy ups for paths/variables
  use variables for paths
  allow p-a and p-u to take a directory to parse themselves
  dinstall
  p-a
  dinstall
  Ignore errors to updates
  2 more fixes
  dinstall
  Add a space
  utf-8

Signed-off-by: Joerg Jaspert <joerg@debian.org>