Merge remote branch 'wreis/master'

* wreis/master:
  s/base_uri/base_url/g | Add duck_type check
  Update main doc
  Add Vladimir to contributors and update README
  Add me as a contributor
  Add HTTP plugin's doc
  No need of a second View in tests
  Add HTTP support
  Let the plugin name be arbitrary
  make config less gross and work with ConfigLoader
  Not class methods
  Add more tests