NEWS.md
Added rpmf(), rpmf.table(), rpmf.alias().
Added cdf.plot().
Added the double-exponential distribution (ddexp(), pdexp(), qdexp() and rdexp()).
Added rcauchy.rou().
Fixed small bug in mc.plot() (mfrow = c(2, 2)).
Fixed bug in rephtest() (test == chisq.cont.test).
Small changes in freq.test() (first argument renamed as x, so that it is compatible with rephtest()).