v0.09

    * DOCS:    hrpg help screen now mentions `perldoc hrpg`.
    * DOCS:    Updated the help display for `hrpg +` (GH #9)
    * BUILD:   Explicitly require a Method::Signatures 20121201 or later.
    * FEATURE: search_tasks() now allows an 'all' argument.
    * FEATURE: hrpg now supports the 'history' command.