Add unicode support for strong/em regex.
some edge case tests for the code tag
Merge pull request #72 from cebe/code-edge

some edge case tests for the code tag
Remove /u flag from '*' chars. Add /u to urls.
Remove one unnecessary /u flag.
Merge pull request #69 from KaneCohen/master
Merge branch 'master' of github.com:erusev/parsedown