For the full log of gretl changes since January 2000, see
<@url="http://gretl.sourceforge.net/ChangeLog.html">.

2017-05-26 version 2017b
- "gnuplot" and "plot" commands: support --font option for
   PDF, EPS and EMF output
- "rename" command: add a --quiet option
- "arma" command: support --robust (QML) option
- "mle" command: support the --cluster robust option
- "midasreg" command: several fixes and enhancements
- "modprint" command: accept an array of strings as the
  "names" argument
- Allow adding lists as such to bundles
- fcstats() function: expand the accepted set of arguments
  (mix series and vectors, handle multiple forecasts)
- New function deflist() for defining a list (of named
  series)
- New function defbundle() for initializing a bundle
- New function xmlget() for extracting data from an XML
  buffer (similar to jsonget)
- New function smplspan() to determine the number of
  observations within a specified time-series range
- New function GSSmax(): one-dimensional maximization via
  Golden Section search
- GUI: revamp Time series model menu and ARIMA specification
  dialog
- Fix bug: some operations that check status of a model's
  list of regressors failing inside functions, or when a
  model was estimated with no printed output
- Fix bug: ensure that the $model accessor (bundle) is
  available to function packages that attach to a model
  window
- Fix bug: breakage in column headings for the printout of
  multinomial outcome probabilities in GUI
- Fix bug: "catch" failing in loops under certain conditions
- Fix bug: plot with the --band option could fail in locales
  that use the decimal comma
- Validate $-bundles as legitimate function arguments
