Support for displaying 'falsy' values.

Before:

order | title | slang
-------- | ----- | --------
 | Ehlo world | true
1 | Hello |
2 | Guten Tag |
3 | What's up? | true

After:

order | title | slang
-------- | ----- | --------
0 | Ehlo world | true
1 | Hello | false
2 | Guten Tag | false
3 | What's up? | true

Thanks for `dat` @maxogden 

/André :)