1.0-22
    o further fix in plot.mpm in the presence of label.tol.col
1.0-21
    o fix bug in plot.mpm that occurred when specifying col.group
1.0-20
    o trivial fix in .onAttach
    o small documentation improvements
1.0-19
    o fix in plot.mpm to allow depiction of spectral maps with negative numbers
    o add option to only label a limited number of columns (label.col.tol)
1.0-18
    o rename dump.summary.mpm to export.summary.mpm and add generic function
1.0-17
    o compress data files better and move to Roxygen-based documentation
1.0-16
    o remove dependency on geneplotter for plot.mpm with do.smoothScatter = TRUE and replace with dependency 
      on recommended package KernSmooth
    o add legend argument
1.0-15
    o extend the sampleNames argument to allow to specify the labels to be used on
      the plot as a character vector (alternatively to the use of a logical of length
      one as introduced in 1.0-14)
1.0-14
    o introduce sampleNames argument to display sample names (TRUE) or not (FALSE)
1.0-13
    o modification of default colors for smoothScatter
1.0-12
    o return invisibly for plot.mpm
    o introduce tests directory and script
    o introduce NAMESPACE
    o display package version on loading package
1.0-11
    o added dump.summary.mpm function to package
    o fix sub title 
1.0-10
    o introduction of labels argument for plot.mpm in order to allow
      labels to be different from the row names
1.0-9
    o clarification plot.mpm documentation
    o removed (less flexible) `title' argument in favor of classical 
      main / sub titles	which can be passed to eqscplot via `...' 
      instead