Merge branch 'master' into gh-pages

* master:
  add preserveaspectratio SVGs
  add svgs
Create fixate-inverse-with-width-height.svg

Similar to how Inkscape's CLI exports; no `viewport`.
Merge pull request #1 from tomByrer/patch-1

Create fixate-inverse-with-width-height.svg
rework the things
Merge branch 'gh-pages'

* gh-pages:
  rework the things
  Create fixate-inverse-with-width-height.svg