Paragraphs in lists are not rendered correctly #167

See Markdown syntax for paragraphs in lists.

Input:

* This is the first list item.
* Here's the second list item.

    I need to add another paragraph below the second list item.

* And here's the third list item.

Expected output:

• This is the first list item.
• Here’s the second list item.
  I need to add another paragraph below the second list item.
• And here’s the third list item.

Actual output:

• This is the first list item.
• Here's the second list item.I need to add another paragraph below the
  second list item.
• And here's the third list item.

The nested paragraph starts on the same line, right after the list item, without any whitespace.