* Update vocabulary handling with new movebank vocabulary * Correct reading of `migration_stage_standard` * Prevent warning when download does not contain location data (#63) * Allow dates for `timestamp_start` and `timestamp_end` * Resolve `group_by_track_data` assumed a fixed track id column name * Add `track_id_column` and `time_column` to printing * Optionally set track id with track data column, error if both are present (#59) * Error when new track identifier contains duplicated rows in track data (#58) * Add argument `.keep` to `mt_as_track_attribute` and `mt_as_event_attribute` * `st_crop` and `st_intersection` from sf now retain attributes reported by @mscacco * Prevent error with `mt_stack` on single object by forcing units to be double * Convert integer `track_id` to factor when stacking (#50, partially) * Make sure factor levels are ordered when converting to move (#40) * Add `mt_aeqd_crs` to calculated centered crs (#42) * `mt_segments` now also works for character track id columns (#51) * `mt_as_event_attribute` now not only removes first column (#45) * Make it possible to set units in calculation functions (#47) * In `mt_as_move2` assert time validity on creation (#46) * Support converting from ctmm `telemetry` and `track_xyt` thanks to @anneks (#53 & #54) * Implement `rowwise` function (#62)