fix dplyr 1.0.0 error
This release accommodates a function which is used by Pmetrics that was formerly in the dplyr package (prior to 1.0.0) and then moved to a new cubelyr package. This move caused a namespace error loading Pmetrics.
This release accommodates a function which is used by Pmetrics that was formerly in the dplyr package (prior to 1.0.0) and then moved to a new cubelyr package. This move caused a namespace error loading Pmetrics.