In the infix attribute accessor %@%, the attribute names can now be passed literally (without quotes).
In the verbs for attributes, at_xxx() verbs are kept, while verbs define(), keep(), rebrand(), and take() are removed.
Add argument try in make_pipe() to create a new pipe %try>%.
Add argument keep_obj in tribe().
Add stick_to() and unstick().
Add function untribe().
Update authors in the DESCRIPTION file.
Rename the pipe %at>% to %@>%.
Add infix attribute accessor %@% (borrowed from package ‘purrr’).