Full CommonMark support

[franzliedke]

The CommonMark test suite should return successfully:

We're currently at 182 passed and 327 failed tests.

Let's tackle this!

[franzliedke]

Yay! The number of passed tests is finally surpassing that of failed tests.

We're now at 274/252.

[franzliedke]

We're getting there!

311 passed, 198 failed

[franzliedke]

BAM!

401 passed, 108 failed

[pyrsmk]

Keep up the good work ;)

[franzliedke]

Getting there. The numbers look fairly good even after I used a newer version of the specification. =)