3.03    2004.04.19      Andrew A. Novikov
        - documentation revised;
        - minor bugs in POD documentation fixed.

3.02    2004.04.19      Andrew A. Novikov
        - minor bugs in POD documentation fixed.

3.01    2004.04.19      Andrew A. Novikov
        - minor bugs in POD documentation fixed.

3.00    2004.04.19      Andrew A. Novikov
        - global tags introduced;
        - callbacks introduced;
        - added functionality to include templates via predefined callback;
        - added methods: block_src(), block_res(), push_block_src(),
          push_block_res(), unshift_block_src(), unshift_block_res(),
          reset_block_src(), reset_block_src_all(), get_oblock(),
          enum_blocks(), set_parsed(), gtag(), callback(), unparse(),
          unparse_all();
        - changed prototype for constuctor (you may customize number of
          attempts to open template and sleep time between attempts;
        - set_tag(), get_tag(), push_tag(), unshift_tag() methods now accept
          references;
        - block(), push_block(), unshift_block() are deprecated in favour of
          block_src(), block_res(), push_block_src(), push_block_res(),
          unshift_block_src(), unshift_block_res();
        - behavior of block(), push_block(), unshift_block() is changed
          slightly;
        - both block sources and results both are accessible now;
        - minor bugs fixed;
        - some bugs in POD documentation fixed;
        - text after block close tag is allowed now;
        - documentation revised;
        - test cases revised.

2.03    2003.09.10      Andrew A. Novikov
        - bug fix: it's possible now to use Parse::Plain object as
          a value in a hash passed to parse().

2.02    2003.09.26      Andrew A. Novikov
        - some additional symbols (underscores, dashes, dots, semicolons,
          colons, commas, parentheses, asterisks, ampersands and caret
          symbols) now allowed in tag / block names;
        - test was created.

2.01    2003.09.23      Andrew A. Novikov
        - nested blocks allowed. POD documentation written.