guelph: A factor management package

#' guelph.
#' guelph: it's what's for dinner
#' This package is all about factor management!  Don't you hate factors?
#' Maybe, but they're a necessary evil. Let's make them a bit easier to work with.
#'
#' Excerpt from Jenny:
#' Factors have driven people to extreme measures, like ordering custom
#' conference ribbons and laptop stickers to express how HELLNO we feel about
#' stringsAsFactors. And yet, sometimes you need them. Can they be made less
#' maddening? Let's find out.
#'
#' @importFrom plyr ldply
#' @import dplyr
#' @name guelph
#' @docType package
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