Version 0.4, beta 2 - July 23, 2002
===================================
Major Changes: 
    - added improved ISOLatin1 Encoding support. Now, the acentos.ps file is not necessary

    - new functions: 
        function insert_line($line) - inserts a line into the file. Can be used for direct PS programming
        function include_resource($res) - used to add resources in the file's Resources section
        function arc($xcoord, $ycoord, $ray, $linewidth, $angle_start, $angle_end) - create a arc
        function arc_fill($xcoord, $ycoord, $ray, $linewidth, $angle_start, $angle_end, $red, $green, $blue, $boder) - create and shade a arc with the RGB color
        function circle($xcoord, $ycoord, $ray, $linewidth) - create a circle
        function circle_fill($xcoord, $ycoord, $ray, $linewidth, $red, $green, $blue, $boder) - create and shade a circle with the RGB color
        function set_color($red, $green, $blue) - sets the color to use

    - added color and alignment support for show, show_xy, show_xy_font. Alignment parameters are
      'c', 'r' and the default 'l'. Open palette.ps to see the color values to use.
      Changes:
      function show($text, $justify='l', $red=-1, $green=-1, $blue=-1)
      function show_xy($text, $xcoord, $ycoord, $justify='l', $red=-1, $green=-1, $blue=-1)
      function show_xy_font($text, $xcoord, $ycoord, $font_name, $font_size, $justify='l', $red=-1, $green=-1, $blue=-1)
    
    - added color support for rect_fill(...., $red, $green, $blue, $border=true)


Thanks to:
----------
Paulo R. Mallmann (beto@univates.br), contributed with circle code.
Jay Haugen (jayhaugen@yahoo.com), contributed with color and alignment code.
Joel Leon (joel@procix.com.br), contributed with alignment code
Jose Paulo B. Silva (paulo@magnumsa.com.br), contributed with color code


Version 0.03 - December 21, 2000
================================
Major Change: PSLib is now a PHP Class
Lib file name is now: pslib.class. 
Included pslib.php file, which should be used *only* for compatibility purpose with version 0.02.

Deprecated: set_acent

Thanks to:
----------
Ericson C. Smith, for his contribution in the conversion to class


Version 0.02 - October 26, 2000
===============================
Lib file name changed to pslib.php
Major Bug fixed: page number/count

Other changes:
- Function PS_open: now the parameters are ($file, $author, $title,
  $orientation).
- Function PS_begin_page: now the parameters are ($file, $page)
- Function PS_set_acent: are called directly by PS_open.


Version 0.01 - September 1, 2000
================================
First Release.
Functions: PS_begin_page, PS_close, PS_end_page, PS_line, PS_moveto,
PS_moveto_font, PS_open, PS_open_ps, PS_rect, PS_rect_fill, PS_rotate,
PS_set_font, PS_show, PS_show_eval, PS_show_xy, PS_show_xy_font, PS_set_acent