Fix bug in sample_frac method definition
Update to latest roxygen
Finish implementation of sample for local data frames
Add tbl_dt and default methods for sample
Grouped sampling for data frames
Add grouped sampling for data.table.
Closes #202
New backend vignette. Closes #329
row_number without args. closes #303
move rbind and cbind to their own file
rbind_all and cbind_all allows data.frame and NULL. #288
slightly nicer interface
Document join behaviour for multiple matches.
Closes #320
Improve join docs
Disable failing test for now. #288
Preserve names in select.tbl_sql.
Closes #317
Evaluate subsetting locally. Fixes #318
Update news
Add library(hflights) to readme.
Closes #316
Encode path so slashes are preserved on windows.
Closes #323
More principled use of setkeys.
Closes #193. Closes #255