importExport 1.3.1

• excel_rexport.Rd: bug fixed with some linked functions without package reference
• access_export.R, excel_export.R, spss_export.R, spss_import.R: class() ==“data.frame” replaced by is.data.frame().
• DESCRIPTION: role of each author specified.

ImportExport 1.2

• xlsx removed from DEPENDENCIES. Packages readxl and writexl added to IMPORT packages.

ImportExport 1.1

• some minor changes not released to CRAN yet

ImportExport 1.0

• First released to CRAN