Minor Beta bump

0.4.0 - 2015-05-04

Added

• Simplified require usage, you no longer need to use new Doxray().
• Normalized schema, now they are all Arrays of files with arrays of doc/code
  pairs, even if it's just one file.
• writeJS() function, which is sometimes easier than having to decode a JSON
  file.
• Support for post parse processors.
• Post parse processors for adding slugs and color palette data.