flow like the river

VISUALIZACION/node_modules/postcss-zindex/CHANGELOG.md

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+# 2.2.0
+
+* Added an option to set the starting index, useful to mitigate conflicts with
+  third-party CSS files.
+* Performance improvements, including O(1) lookup of cached values rather than
+  O(n), aborting PostCSS walk altogether when a negative index is found, and
+  not running an optimize step if there are no z-index declarations.
+
+# 2.1.1
+
+* Fixes an issue where all positive indices before a negative index were
+  transformed (thanks to @niccai).
+
+# 2.1.0
+
+* Now aborts early when encountering negative indices, making the transform
+  safer overall.
+
+# 2.0.1
+
+* Improved performance of the module by sorting/deduplicating values in one pass
+  instead of per-value (thanks to @pgilad).
+
+# 2.0.0
+
+* Upgraded to PostCSS 5.
+
+# 1.1.3
+
+* Improved performance by iterating the AST in a single pass and caching nodes for the second iteration.
+
+# 1.1.2
+
+* Documentation/metadata tweaks for plugin guidelines compatibility.
+
+# 1.1.1
+
+* Corrected dependency tree when installing from npm.
+
+# 1.1.0
+
+* Now uses the PostCSS `4.1` plugin API.
+
+# 1.0.1
+
+* Adds a JSHint config, code tidied up.
+
+# 1.0.0
+
+* Initial release.