1.1.2 / 2017-09-23
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* perf: improve header token parsing speed
1.1.1 / 2017-03-20
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* perf: hoist regular expression
1.1.0 / 2015-09-29
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* Only accept valid field names in the `field` argument
- Ensures the resulting string is a valid HTTP header value
1.0.1 / 2015-07-08
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* Fix setting empty header from empty `field`
* perf: enable strict mode
* perf: remove argument reassignments
1.0.0 / 2014-08-10
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* Accept valid `Vary` header string as `field`
* Add `vary.append` for low-level string manipulation
* Move to `jshttp` orgainzation
0.1.0 / 2014-06-05
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* Support array of fields to set
0.0.0 / 2014-06-04
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* Initial release