Uwsgiconf

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* Runtime. 'signal_or_target' parameter is renamed into 'target'.
* Term 'backlog' is changed into '[listen] queue' for consistency.
* Fixed touch reload from py configuration file.
+ Nice preset extended with 'get_log_format_default()' demo helper method.
+ Implemented 'logging.vars.request_var' and 'logging.vars.metric'
* Renamed several .logging.vars.
* Fixed .logging 'prefix_date' parameter handling.
* Fixed .logging parameter handling.
+ Nice preset. Added 'ignore_write_errors' shortcut support.
+ CLI. Added headers related methods to routing options group.
+ Added 'master_process.set_exception_handling_params'.
* 'Logging.set_filters' split into 'set_filters' and 'set_requests_filters'.
* Signal.register_handler target now defaults to 'worker'.

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* Runtime. Farm.is_in renamed into Farm.is_mine.
* Runtime. Cache improved.
* Runtime. Metric is now OOP.
+ Nice presets now accept 'log_dedicated' arg
* change_dir() moved from Applications into Main process.
+ Improved cheapening abstractions.
+ Added empire.Broodlord preset

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+ Added support for multiple configurations in one module.
+ Configuration now accepts 'alias' param.
* Nice preset. Threads are now on by default for PythonSection.
+ Sockets and Routers reworked.

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+ Added 'runtime' package preview.
+ Nice presets now accept 'process_prefix' arg

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+ Nice presets now accept 'log_into' arg
* Nice Python preset now requires an app by default
+ Nice presets now accept 'owner' arg
+ Nice presets 'threads' arg now accepts bool
+ Nice presets now use SIGTERM for uWSGI shutdown
+ Added Logging.log_into method
* Logger alias made optional
+ Introduced dedicated routers.

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+ Subscriptions-related options partially described.
+ More worker-related options described.
+ More Python-related options described.
+ rsyslog logger made separate from syslog.
+ CLI: Added 'probe_plugins' command.
+ Linux KSM option described.
+ GeoIP param described.