Code blocks should returned as <p>

[aliuk2012]

# using `code`

or

# using ```code``` 

Should return unstyle with <p> wrapped around.

[DavidBiddle]

Should be resolved in #15.

Single backticks `` are inline quotes, so they shouldn't render in paragraph tags - we should just return the content as normal text.

I think having disable_indented_code_blocks: true and fenced_code_blocks: false settings prevents block code rendering.