Changes in Version 0.8-0

  o  Fixed bug that converted all exported data fields to character class when
     writing Shapefiles and R data files.

  o  Added ImportSpreadsheetData function, imports a worksheet from an Office
     Open XML Workbook file (*.xlsx).

  o  Show individual observations and density estimate in histogram plot.

Changes in Version 0.7-9

  o  In the DESCRIPTION file, packages declared in the 'Depends' field were
     moved to the 'Imports' field.

  o  Redesigned GUI layout in the Format function.

Changes in Version 0.7-8

  o  Variables of class 'Date' are now handled correctly.

  o  Removed dependency on the 'rgl' package.

  o  Improved performance for counting the number of lines in a file.

  o  Fixed bug that was preventing data imports using paste operation.

  o  Improved performance in the EditData function by removing its reliance on a
     copy of the data frame that was coerced into character-class components.

  o  The base::format function is now used when a format conversion
     specification string is not supplied. Previously defaulted to a general
     string representation; for example, numeric objects were formatted using
     the '%f' string.

  o  Removed SummarizeVariable function and replaced it with the more general
     base::summary and utils::str functions.

Changes in Version 0.7-5

  o  Graphics opened in a platform-independent way using the grDevices::dev.new
     function.

  o  Function name changes: ViewText to EditText, and ViewData to EditData.

  o  Calendar date-time variables are accurately converted to character strings
     using the POSIXct2Character function.

  o  Added ability to import, edit, and export comment string.

  o  Added ability to edit raw data in a spreadsheet with final edits are saved
     in a change log.

  o  Added GUI for importing data from an R package. R data sets may also be
     imported from a file.

  o  RSurvey project files are specified using the *.RData file extension. The
     *.rda extension is reserved for R data files.

  o  Functions ReadFile and WriteFile have been embedded into the ImportTextData
     and ExportData functions, respectively.

  o  Additional arguments have been added to the ExportData GUI.

  o  In the ImportTextData GUI, added decimal and encoding arguments, and custom
     entries for separator, NA strings, and comment parameters.

Changes in Version 0.7-4

  o  Main GUI is launched automatically when RSurvey is loaded.

  o  Added ability to view single variable in the ImportTextData GUI.

  o  It is no longer required to have a data set loaded to open the
     DataManagement GUI.

  o  Fixed bug with finding unique values in EditFunction GUI.

  o  The header line specifying variable names now comes before the format
     header line. Users need to update header lines in their input text files
     to reflect this change.

  o  Measurement units have been removed. Users need to remove unit headers
     from their input text files.

  o  Added GUI for sorting the processed data set.

Changes in Version 0.7-3

  o  Removed dependency on the 'tripack' package because of its restricted
     license which explicitly forbids commercial use.
