Changes to mcmcplots version 0.3
* autplot1:
  - now plots confidence intervals
  - corrected broken compatibility with as.ts.mcmc in the coda package (thanks to Martyn Plummer for supplying a patch)
* caterplot: added new arguments
  - denstrip: plots density strips instead of quantile lines
  - width: width of the density strips
  - add: add to the existing plot instead of creating a new plot


Changes to mcmcplots version 0.2
* graypr: coloring and weights of gridlines modified slightly
* autplot1: default coloring changed from black to mcmcplotsPalette(1)
* mcmcplotsPalette: added arguemnt 'seq' to allow for corplot to use sequential_hcl as the default colors.
* corplot: changed the default colors (see above)
* mcmcplotsPalette: changed the default chroma value to be brighter (old=75 to new=100)
* caterplot: argument 'horizontal' added to allow horizontal or vertical plotting of intervals.
* caterpoints: argument 'horizontal' added to match caterpoints.
* corplot: adds a legend by default
* denplot: added 'plot.title' argument and 'main' argument for labeling of the whole plot and labeling of individual plots
* corplot: added argument 'legend.scale' to allow user control over the size of the legend relative to the size of the rest of the plot
* mcmcplot1: changed formatting of plot
* autplot1: added 'partial' argument for the plotting of partial autocorrelation
* caterplot: changed 'labels' argument to 'labels.loc' and let 'labels' argument be a character string of labels