Adds support for parsning NaN
Merge pull request #41 from kasperp/adds-nan

Adds support for parsning NaN. Merged!
Standardise whitespace to four spaces, not tabs
Merge pull request #44 from rowanhill/whitespace-tidy

Standardise whitespace to four spaces, not tabs
Support function replacer parameters.
Support array replacer parameters.
Update readme with replacer docs
Invoke replacer on holder obj
Fix stringifying empty string properties
Merge pull request #42 from rowanhill/replacer

Support replacer parameter in JSON5.stringify()