[gxml] (25 commits) ...Merge branch 'css-selectors' into 'master'

[Daniel Espinosa Ortiz <despinosa src gnome org>]

Summary of changes:

  3ed8c09... Improve CSS Selectors and update tests.
  6fc33db... Fix selectors parser
  28250ea... test debian generation with Meson.
  03ee56b... CSS: Add an intermediate step.     with long documents and/or 
  b44bf96... CSS : Update parser and tests.
  c1f3f21... Don't install debian files.
  301f134... Implement Element.matches
  e3c85fb... Fix DomElement
  2d11280... CSS : fix attribute/identifier parsing.
  5b74fd3... CSS : remove 'internal' functions, select nodes inside pars
  df73128... CSS : Update credits.
  7dd96c2... Merge remote-tracking branch 'upstream/master' into css-sel
  f4a520d... Update .gitignore
  be138c9... Update CSS tests
  8cc57e9... GXmlDocument : use GListChildren as DomNodeList
  5f210d4... GXmlDocument : update 'query_selector_all' method
  06c5de0... debian : remove files before merge
  df3eb97... DomElement : make 'matches' method virtual
  bc0c30c... CssSelectorParser : make string translatable
  2fe9a5e... CssSelectorParser : remove attribute checks from 'match_nod
  98d7ef9... GomDocument : Update 'query_selector_all' method
  4e1b708... meson.build : remove line before merge
  fdd08e2... use CssSelectorParser internal method for selection.       Reaso
  e4097a1... GDocument : use GomNodeList in 'query_selector_all' method.
  8862a58... Merge branch 'css-selectors' into 'master'