plyr 1.8.2

• Update for changes in R namespace best-practices.
• New parameter .id to adply() that specifies the name(s) of the index column(s). (Thanks to Kirill Müller, #191)
• Fix bug in split_indices() when n isn't supplied.
• Fix bug in .id parameter to ldply() and rdply() allowing for .id = NULL to work as described in the help. (Thanks to Doug Mitarotonda, #207, and Marek, #224 and #225)
• Deprecate exotic functions liply() and isplit2(), remove unused and unexported functions dots() and parallel_fe() (Thanks to Kirill Müller, #242, #248)
• Warn on duplicate names that cause certain array functions to fail. (Thanks to Kirill Müller, #211)
• Parameter .inform is now honored for ?_ply() calls. (Thanks to Kirill Müller, #209)