[WIP] Negotiation 2.0

[willdurand]

• [x] Overall review
• [x] Refactor BaseAccept and Accept* classes (+ acceptFactory() method)
• [x] Documentation
• [x] More tests

  Changes

• complete rewrite and restructure of code.
• removed unnecessary features such as
  • support for wildcard priorities. #49
  • register format.
  • isMediaRange() method
• improved header parsing.
  • Now handles quoted parameters.
  • stricter parser.
  • Now throws exceptions on bad input. #50
  • bad accept header
  • empty priorities list
• changed negotiation logic.
  • I believe this implementation is more adherent to the RFC
  • support for partial media ranges #45
  • cleaner logic.
  • no longer forcing quality value for media ranges. #51
  • no longer requires parameters to be ordered for a match. #48
• accessor methods for type as well as base-type and sub-type parts.
• unit tests for everything.

[willdurand]

Hey @neural-wetware, I've started to review the code :) Good job.

I will probably add a few more (cosmetic) commits. However, what I don't like is how Accept* and BaseAccept classes are designed, so I will try to find a better way to write this part.

[willdurand]

Negotiation 2.0 is almost there! :ship: :star: :stars: :star2: :yellow_heart: :tada: :cake:

[willdurand]

2.0.0-alpha1 is out!