Changes in version 0.0.0.9000                      

  - First development version.
  - add_view_summary(): live summary of the features in view (count,
    mean, median or total, highest and lowest, histogram), compared with
    the whole map.
  - add_view_ranking(): the features in view with the highest or lowest
    values.
  - add_context_tooltip(): a tooltip with each feature's rank, the share
    of features below it and its difference with the average.
  - add_feature_search(): a search box over a column of the map's own
    data, ignoring case and accents.
  - context_labels(): texts for all the components, in English or
    Spanish.
  - Datasets: ar_departments, earthquakes and jp_prefectures.