put Countries.csv into inst/data
read csv with encoding="UTF-8" before saving
adding Alcohol data set
mv inst/data to inst/otherdata
UTF-8 encoding for Alcohol data
saving country names as character rather than factor
add world map of alcohol consumption example
change case of variable names, mdata -> Mdata
add data= to examples
make t.test() formula aware for 1-sample settings
now contains column for wrld_simpl map data
added .try_require() and .require_manipulate()
added maptools column to hand-curated Countries.csv
updates to Countries & example (chorpleth map)
added version of ntiles() [not quite same as in DCF]
using co.intervals() instead of equal.count()
sp2df() converts map data to a data frame
Cleaning up t.test() [with ttest() work-around]
version bump, new dependencies/suggestions