5 - Enable strict mode in more places
6 - Support web browser loading
7 * deps: on-headers@~1.0.1
8 - perf: enable strict mode
9 * perf: enable strict mode
19 * Add function argument to support recording of response time
30 * Add `header` option for custom header name
31 * Change `digits` argument to an `options` argument
36 * deps: on-headers@~1.0.0
41 * add `digits` argument
42 * do not override existing `X-Response-Time` header
43 * timer not subject to clock drift
44 * timer resolution down to nanoseconds
45 * use `on-headers` module
50 * Genesis from `connect`