Removed things that are sometime confused as POSIX collating elements by PCRE (depends on PCRE version used).
Added extra attribute block for links and images.
Fix for issue 72.
Wrong initialization of the in_anchor member variable.
Merge branch 'master' into extra
Bumped version number to 1.0.1q and added some version history.
Merge branch 'master' into extra

Conflicts:
	PHP Markdown Extra Readme.text
	markdown.php
Bumped version of Extra to 1.2.7.
Typo in version number.