Version 0.9.1: 2013-01-11 Alex Stewart <alex@foogod.com>
  * Issue 20: Repetitions incorrectly allowing null subtokens
  * Issue 22: REFs don't have standard attributes (like grammar_name)
  * Issue 23: EXCEPT stops after first successful match, even if it doesn't
    meet other criteria
  * Issue 24: hash() breaks on recursive grammars after grammar_resolve_refs
  * Issue 25: WORD("^") does not work as expected
  * Fix a leftover reference in the docs to find_tag* methods
  * Add a few missing attributes to classdict_map

Version 0.9: 2013-01-03 Alex Stewart <alex@foogod.com>
  * Clean up some warning messages from MANIFEST.in rules
  * Made ParseError "found text" chooser stop at end-of-line
  * Added WS_DEFAULT and WS_NOEOL standard whitespace regexps
  * Fixed Issue 7: Changed get/get_all/find/find_all to match either subclass
    or tag.
  * Fixed Issue 8: Grammars with NOT_FOLLOWED_BY don't correctly return a parse
    error before terminating the generator
  * Fixed Issue 10: EXCEPT incorrectly matches on prefixes of the result
  * Fixed Issue 13: Added "longest=True" option to WORD
  * Fixed Issue 14: Add grammar_whitespace_mode setting
  * Fixed Issue 17: Added infix_precedence example to docs
  * Issue 11: Deprecated parse_string in favor of parse_text
  * Issue 16: Deprecated SPACE in favor of WHITESPACE
  * Issue 15: Deprecated defining grammars without explicitly specifying
    grammar_whitespace_mode
  * Issue 18: Deprecated grammar_whitespace = True/False

Version 0.8: 2011-12-22 Alex Stewart <alex@foogod.com>
  * Added NOT_FOLLOWED_BY grammar construct
  * Added grammar_error_override option
  * matchtype="all" no longer auto-advances the buffer position
  * New GrammarParser.skip() method
  * Fixed Issue 1: matchtype="longest" or "shortest" breaks when possible
    matches are the same length.
  * Fixed Issue 2: GrammarDefError undefined
  * Fixed Issue 3: Misc documentation fixups
  * Fixed Issue 4: Whitespace before EOF confuses parse_lines

Version 0.7: 2011-04-12 Alex Stewart <alex@foogod.com>
  * Added support for pickling result objects
  * Added the ability to use a custom regular expression for whitespace-handling
  * Made grammar classes compare equal if they are equivalent.
  * Added a bunch more unit tests
  * Fixed some issues where grammar_whitespace was not being set correctly on
    some constructs.
  * Fixed a bunch of misc whitespace parsing bugs

Version 0.6: 2011-03-04 Alex Stewart <alex@foogod.com>
  * First packaged version
