How to ignore the "#" which the <h1> -<h6>generate

- Version by `html2text --2016.9.19`
- Python version `python --2.7.13`
- `
import html2text

html = "<p>hello, this is <em>html2text</em></p><strong>it is strong label</strong>"
h = html2text.HTML2Text()
print h.handle(html)

h.ignore_emphasis = True
print h.handle(html)

html = "<h6>This is title</h6>"
print h.handle(html) # value: ###### This is title`