improve silent error message.
Add smart-lists to readme.
Add langPrefix to readme.
Require marked relatively for tests.
Add smart-lists and lang-prefix to man page.
Improve man page.
Fix variable name.
v0.2.8
fix smart-lists for ordered lists
clean up list
stop using isFinite for ordered lists.
allow options for tests and benchmarks.
small refactor.
remove test/fix and test/fix.js.
fix browser test.
1. fix benchmark for showdown
2. remove discount benchmark // not working on v0.8.x
3. add robotskirt benchmark
4. add target of bench in Makefile
5. add devDependencies in package.json
GFM supports arbitrary characters in fenced code block language identifier
Merge pull request #139 from Niggler/master

GFM supports arbitrary characters in fenced code block language identifier.
async highlighter support. closes #47.
allow dashes in language names. fixes #138.