2.1	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(), push_tag(), unshift_tag() methods now accept
	  references;
	- 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.
