ropensci/weathercan: weathercan v0.2.7

weathercan 0.2.7 (2018-06-27) Bug fixes Fix bug created when ECCC changed file metadata for dates after April 1st 2018 (only affected downloads which included dates both before AND after April 1st, 2018) - Results in a new column station_operator for all data (NA where unavailable for older stations). Adjust code flexibility to handle future changes Add catch to warn user if end dates earlier than start dates Changes Update readme/vignettes/internal data sets to include new columns Update internal stations data frame as well as flags and glossary Remove tibble dependency by relying on dply