• Added: at-mixin-no-argumentless-call-parentheses rule.
• Added: at-import-no-partial-leading-underscore rule.
• Added: at-import-no-partial-extension rule.
• Added: percent-placeholder-pattern rule.
• Fixed: selector-no-redundant-nesting-selector no longer warns about BEM syntax.
• Fixed: bug causing rules to ignore severity levels warning / error and report ignore instead.