hereR 0.6.1

• Use styler package and use tyler::tidyverse_style()to format the package.
• All lintr issues are solved, except from line length issues (limit of 80 characters).
• Avoid drop of the sfc class of the geometry column when there is only one geometry/row in a data.table (closes #111).
• Return queryScore in geocode() results as score column (closes #109).
• Silence sf messages of sf::st_union call in connection(..., summary = TRUE).
• Added section id to route(), intermodal_route() and connection().