Changes in Diff Sniffer Core component

[3.1.1] - 2017-12-04

Fixed

Excluded rules are still reported if caching is enabled (#3).

[3.1.0] - 2017-12-02

Added

Support of phpcs.xml files (#1).
Better integration with dealerdirect/phpcodesniffer-composer-installer (#2).

[3.0.0] - 2017-10-29

Changed

Updated PHP_CodeSniffer to ^3.0.
Bumped minimum required PHP version to 7.1.
Internal improvements.