move2 0.2.6

bind_cols and st_join retains class for tbl by fixing reconstruct function
st_join works for data.frame based move2

move2 0.2.4

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)

Improve error reporting time ordered
Improve error reporting when searching id with study name
Ensure right column is made into sf_column when data contains multiple spatial columns (potential problems with argos gps data)
Improve message when no data is available for download
Leading and trailing white spaces are not trimmed in data downloaded from Movebank (#38)
Use a underscore as a separator in mt_read when pasting tag and individual names (#37)
mt_set_track_id retains class of track data (#37)