plumber 0.4.1
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* Development version for 0.4.2. Will be working to move to even/odd release
  cycles, but I had prematurely bumped to 0.4.0 so that one might get skipped,
  making the next CRAN release 0.4.2.

plumber 0.4.0
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* BREAKING: Listen on localhost instead of listening publicly by default.
* BREAKING: We no longer set the `Access-Control-Allow-Origin` HTTP header to 
  `*`. This was previously done for convenience but we've decided to prioritize
  security here by removing this default. You can still add this header to any
  route you want to be accessible from other origins.
* BREAKING: Listen on a random port by default instead of always on 8000. This
  can be controlled using the `port` parameter in `run()`, or by setting the 
  `plumber.port` option.
* BREAKING: Removed `PlumberProcessor` class and replaced with a notion of 
  hooks. See `registerHook` and `registerHooks` on the Plumber router.
* BREAKING: `addGlobalProcessor` method on Plumber routers now takes a list
  which are added as hooks instead of a Processor. Note that `sessionCookie`
  has also been updated to behave accordingly, meaning that the convention of
  `pr$addGlobalProcessor(sessionCookie("secret", "cookieName"))` will continue
  to work for this release.
* BREAKING: `sessionCookie` now returns a list instead of a Processor. Note 
  that `addGlobalProcessor` has also been updated to behave accordingly, 
  meaning that the convention of 
  `pr$addGlobalProcessor(sessionCookie("secret", "cookieName"))` will continue
  to work for this release.
* DEPRECATION: Deprecated the `addAssets` method on Plumber routers. Use 
  `PlumberStatic` and the `mount` method to attach a static router.
* DEPRECATION: Deprecated the `addEndpoint` method in favor of the `handle` 
  method for Plumber routers. Removed support for the `processors`, `params`, 
  and `comments` parameters are no longer supported.
* DEPRECATION: Deprecated the `addFilter` method on Plumber routers in favor 
  of the new `filter` method. Removed support for the processor parameter.
* DEPRECATION: Deprecated the `addGlobalProcessor` method on Plumber routers.
* The undocumented `setDefaultErrorHandler` method on Plumber routers now takes
  a function that returns the error handler function. The top-level function
  takes a single param named `debug` which is managed by the `debug` parameter
  in the `run()` method.
* Added support for `OPTIONS` HTTP requests via the `@options` annotation.
* Add support for `entrypoint.R` when `plumb()`ing a directory. If this file 
  exists, it is expected to return a Plumber router representing the API
  contained in this directory. If it doesn't exist, the bahvior is unaltered.
  If both `plumber.R` and `entrypoint.R` exist, `entrypoint.R` takes precedence.
* `plumb()` the current directory by default if no arguments are provided.
* Added a `debug` parameter to the `run` method which can be set to `TRUE` in
  order to get more insight into your API errors.

plumber 0.3.3
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* `plumb()` now accepts an argument `dir`, referring to a directory containing
  `plumber.R`, which may be provided instead of `file`.

plumber 0.3.2
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* Introduced the `do_provision()`, `do_deploy_api()`, `do_remove_api()` and 
  `do_configure_https()` functions to provision and manage your APIs on a 
   cloud server running on DigitalOcean.
* `source()` the referenced R file to plumb inside of a new environment that 
  inherits directly from the GlobalEnv. This provides more explicit control over
  exactly how this environment should behave.
* Added `@serializer htmlwidget` to support rendering and returning a 
  self-contained htmlwidget from a plumber endpoint.
* Properly handle cookies with no value. (#88)
* Don't convert `+` character in a query string to a space.

plumber 0.3.1
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* Add a method to consume JSON on post (you can still send a query string in
  the body of a POST request as well).

plumber 0.3.0
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* BREAKING CHANGE: serializer factories are now registered instead of the 
  serializer themselves. Thus, `addSerializer()` now expects a function that
  returns a serializer, and `Response$new()` now expects a serializer itself
  rather than a character string naming a serializer. Internally it is the 
  serializer itself that is attached to the response rather than the name of
  the serializer. This allows for a serializer to customize its behavior.
* Accept an additional argument on the `@serializer` annotation -- R code that
  will be passed in as an argument to the serializer factory. See example
  `09-content-type`.

plumber 0.2.4
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* Add a filter which parses and sets req$cookies to be a list corresponding to
  the cookies provided with the request.
* Responses can set multiple cookies
* Bug Fix: conver non-character arguments in setCookie to character before URL-
  encoding.

plumber 0.2.3
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* Set options(warn=1) during execution of user code so that warnings are 
  immediately visible in the console, rather than storing them until the server
  is stopped.

plumber 0.2.2
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* Add `sessionCookie` function to define a processor that can be used as a
  globalProcessor on a router to encrypt values from req$session and store them
  as an encrypted cookie in on the user's browser.
* Added `setCookie` method to response which (primitively) allows you to set
  a cookie to be included in the response.
* Add `addGlobalProcessor` method on `plumber` class to support a processor that
  runs a processor only a single time, before and then after all other filters 
  and the endpoint.
* Document all public params so CHECK passes

plumber 0.2.1
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* Add more Roxygen documentation for exported functions
* Remove the warning in the README as the API seems to be stabilizing.

plumber 0.2.0
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* BREAKING: Changed variable-path routing to use bracketted format instead of
  just a colon.
* BREAKING: Renamed `PlumberRouter` R6 object to just `Plumber`.
* Support `addEndpoint()` and `addFilter()` on the `Plumber` object.
* Added support for the `#*` prefix.

plumber 0.1.0
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* Initial Release
