Roll changelog

A changelog:

is breaking-change-oriented
links to related issues
is concise

Analogy: git blame :p

dev version

Changed Roll.hook signature to also accept kwargs (#5)
json shorcut sets utf-8 charset in Content-Type header (#13)
Added static extension to serve static files for development (#16)
cors accepts headers parameter to control Access-Control-Allow-Headers (#12)
Added content_negociation extension to reject unacceptable client requests based on the Accept header
Breaking changes:
- options extension is no more applied by default (#16)
- deprecated req pytest fixture is now removed (#9)

0.5.0 — 2017-09-21

Add documentation.
Move project to Github.
Breaking change: order of parameters in events is always request, response and optionnaly error if any, in that particular order.

0.4.0 — 2017-09-21

Switch routes from kua to autoroutes for performances.
Breaking change: routes placeholder syntax changed from :parameter to {parameter}

0.3.0 — 2017-09-21

Improve benchmarks and overall performances.
Breaking change: cors extension parameter is no longer value but origin

0.2.0 — 2017-08-25

Resolve HTTP status only at response write time.

0.1.1 — 2017-08-25

Fix setup.py.

0.1.0 — 2017-08-25

First release