<ChangeLog>
*) Feature: request routing by arguments, headers, and cookies.
*) Feature: route matching patterns allow a wildcard in the middle.
*) Feature: POST operation for appending elements to arrays in
configuration.
*) Feature: support for changing credentials using CAP_SETUID and
CAP_SETGID capabilities on Linux without running main process as
privileged user.
*) Bugfix: memory leak in the router process might have happened when a
client prematurely closed the connection.
*) Bugfix: applying a large configuration might have failed.
*) Bugfix: PUT and DELETE operations on array elements in configuration
did not work.
*) Bugfix: request schema in applications did not reflect TLS
connections.
*) Bugfix: restored compatibility with Node.js applications that use
ServerResponse._implicitHeader() function; the bug had appeared in
1.7.
*) Bugfix: various compatibility issues with Node.js applications.
</ChangeLog>
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