Update aggr-by
Rewrite of aggr_by
Update aggr_by
Update aggr_by
Update aggr_by
Update documentation
Add id_format to aggr_by
Update documentation
Update documentation
Update package docs
Update docs
Update aggr-by.r
Bug fix: Imports -> Depends
Fixed count_occ
Remove last_sep_position method
Fix to #11

(all) -> if labels are factors... this remains to fix.
Fixes #11
Add grand_label argument to aggr_by
Remove colwise(fun)
Add test data