# groupr 0.1.2

* Update definition of `ungroup.igrouped_df()` to match generic

# groupr 0.1.1

* Use `pillar::tbl_sum()` instead of `dplyr::tbl_sum()` (#5)

# groupr 0.1.0

* S3 class `igrouped_df` which describes a grouping that can be inapplicable

* Function `group_by2()` to create `igrouped_df` groupings

* S3 methods `ungroup()`, `format()`, `group_data()` for `igrouped_df`

* Function `pivot_grps()` for pivoting data using a group framework

* Functions `colgrp()`, `infer_colgrps()`, and `sep_colgrp()` for column grouping

* `introduction` vignette
