Remove tbl_cpp. Return tbl_cpp class from tbl_df
Don't use in benchmark vignette
Don't use tbl_cpp in tests
Remove tbl_df verbs
Remove grouped_df and methods
Merge branch 'master' into cpp-default
Merge branch 'master' into cpp-default
Merge branch 'master' into cpp-default
Replace tbl_cpp with tbl_df
Remove old join methods
Streamline benchmarking vignette
Polishing benchmarking vignette
Switch from @s3method to export
Remove unneeded @method
Remove uses of tbl_df methods
A little more consistency with data frame methods
Combine ungroup docs with groups
Merge branch 'master' into cpp-default
Fix bug in order_by (for real this time)
Fix manip df documentation