initial version of changelog
Add simulate_dataframe function
delete data(example_df) according to Bill Venables <bill.venables@gmail.com> suggestion
End debugging doc of simulate_dataframe
Add test unit for simulate_dataframe
Move changelog outside because not use by CRAN
dfplot() is able to deal with data.frame including matrix.
Merge branch 'master' of https://github.com/chmilblick/dfexplore

Merge from github