v0.8.0

Added

• Inject a application/octet-stream as default content type when none is
  present (#140, thanks requaos)
• Add support for content-type params to part & encoding (#148, thanks
  pzeinlinger)
• UTF-7 support (#17)

Fixed

• Handle missing parameter values in the middle of the media parameter list
  (#139, thanks requaos)
• Fix boundaryReader to respect length instead of capacity (#145, thanks
  dcormier)
• Handle very empty mime parts (#144, thanks dcormier)