0.0:  Various abortive attempts

0.1:  First alpha version with Hmisc support

0.2:  First reasonably complete release

0.3:  Renamed from "tabular" to "tables", put on R-forge

0.4:  Added All(), Literal() and RowFactor()
      Added table_options() and booktabs() for booktabs support
      Gave different defaults for row label justification and data justification
      Suppress page breaks in RowFactor().
      Allow options to be set temporarily in latex() call.
      Added options to suppress parts of the output.

0.5:  Planned CRAN release of all of the above

0.6:  Fixed bug in column headings in print.tabular (reported by
      Tal Galili)
      Added Factor().
      Fixed bug with zero columns of row labels.
      Added levelnames argument to RowFactor and Factor to allow
        label customization.
      Added Multicolumn function.
      Added as.matrix(), write.csv.tabular() and write.table.tabular()
        (suggestions of Greg Snow).
      Added LaTeX escapes to text in the body or labels constructed by
	All() or the factor labels.  (Suggestion of Dieter Menne.)
      Added a caption to the longtable example.  (Suggestion of Dieter 
        Menne.)
      Added the version number to the vignette title page.
      Fixed RowFactor to add space before first row, not after 
        last row. (Bug report from Dieter Menne.)
      Made tabular() into a generic function.  (Suggestion of Hadley
        Wickham.)
      Added description of missing values to the vignette.
      Fixed handling of data with an Hmisc "labelled" class attached.
	(Reported by Thomas MacFarland.)
	
0.7:
      RowFactor now allows spacing=1.
      Specifications for justification in table_options() are now 
      recycled.
      Missing values were not handled correctly when computing counts,
      and when working with factors.  (Reported by Manuel Reif.)
      Added Percent() pseudo-function. 
      Cleaned up handling of row and column labels, especially in cases
      where rows with different column headings are summed.
      Added optional parameter to Heading() to use it only if another
      hasn't already been set.
      
0.7.48:
      Default formatting now skips character cells.
      Justification of labels in text mode wasn't being done properly.
      
0.7.64:
      Added support for HTML output.
      Added support for extraction of subsets of the matrix.
      Added Paste() function.
      If a summary doesn't produce a scalar value, formatting
      messed up the display.  Now a warning will be issued and that
      cell will be displayed as <NA> or similar.
      Added cbind() and rbind() methods for tabular objects.
      The internal texify() function did not work properly.
      
0.7.67:
      The cbind() and rbind() methods now allow NULL in the list
      of arguments.  (Suggestion of Jeff Newmiller.)
      Added a note in the vignette about how to use RowFactor with
      nopagebreak in a longtable environment. (Based on some sleuthing
      by Jeffrey Miller.)
      Added HTMLcaption to the table options to insert an HTML caption.
      (Suggestion of Joseph Larmarange.)
      
0.7.68:
      Bug fix in setting up column headings (reported by Lars Bishop).
      
0.7.79:
      Added Equal() and Unequal() pseudo-functions for more flexible
      Percent() calculations.
      Fixed bug in handling factors which had not excluded NA values.
      Added "formula" attribute to tabular.formula results.
      Added as.tabular() function.
      Added Arguments() function to allow multi-argument analysis
      functions.
      
0.7.86:
      Fixed scoping bug:  locally defined format functions were not
      always found.  (Reported by Doug Ezra Morrison.)

0.7.87:
      Added "append" argument to latex.tabular() and html.tabular(),
      and made explicit that connections are allowed for the "file"
      argument. (Suggestion of Marc Halperin.)

0.7.88:
      Edited messages to allow internationalization.  No translations 
      added so far.
      
0.7.91:
      Updated options for html.tabular to use better CSS and HTML5 in
      the tables.
      Added an HTML vignette.
      Fixed bug:  functions prefixed by "pkg::" in formulas led to warning
      messages. (Reported by Lars Bishop.)
      
0.8:
      Allow editing of the row and column labels.
      Added DropEmpty() pseudo-function.
      Added AllObs() and RowNum() formula functions.
      Added character.only argument to Heading() and Paste().
