v0.9.0 - 2018-6-26

Adds opts.preserveInjectedVariables, which when set to false, removes the :root { ... } custom property declarations added via opts.variables
- Thank you to @akdetrick for the contribution

v0.8.1 - 2018-3-21

Log undefined variables (available in result.warnings())
- Thank you to @pixeldrew for the contribution

v0.8.0 - 2017-8-8

Remove PostCSS moveTo/append deprecation warnings, #50
- Thank you to @modosc for the contribution

v0.7.0 - 2017-3-12

Resolve var usage in fallbacks, #37
- Thank you to @asvny and @marklu for the contribution, #39 -> #49

v0.6.0 - 2016-9-23

Update/refactor readme
- Thank you to @isiahmeadows for the contribution
Use string value for undefined variables to play nice with other plugins downstream
- Thank you to @vincentorback for the contribution

v0.5.2 - 2016-8-24

Fix #42 where opts.preserve was not working inside at-rules
- Thank you to @muftiev for the contribution

v0.5.1 - 2015-10-24

Fix postcss/postcss#611 where we were trying to remove the root node on clean up
Improved test setup

v0.5.0 - 2015-9-12

Upgrade to PostCSS v5. Fix #20

v0.4.0 - 2015-7-2

Fix #15
- Remove slowness from cloning the root with node.clone().removeAll(). Now using ./lib/shallow-clone-node.js to avoid cloning children which will get removed right after.
- Thank you to @ddprrt for bringing up the slowness issue in this article, PostCSS misconceptions.

v0.3.9 - 2015-6-29

Remove opts global leak. Fix #13

v0.3.8 - 2015-5-28

Add support for pseudo selectors :hover :before

v0.3.7 - 2015-5-27

Fix #7: Support for child combinator
Added tests for child-combinator/direct-descendant coverage

v0.3.6 - 2015-5-21

Fix #6. Variable usage in comma separated selector to use proper scope

v0.3.5 - 2015-5-12

Big refactor of code to reduce cyclomatic complexity. Still needs work though.
Fix variable referencing another variable resolution when being changed by at-rule in non-root rule

v0.3.4 - 2015-5-12

Fix variable referencing another variable resolution when being changed by at-rule

v0.3.3 - 2015-5-11

Add support for last piece of combinator chain in selector resolution matching.
- .foo + .bar can match variables declared in .bar

v0.3.1 - 2015-5-5

Large overhaul of code to make it more robust on proper scope resolution.
Fix [#2]](MadLittleMods#2)

v0.2.3 - 2015-5-4

Add support for CSS4 descendant selector >> syntax

v0.2.2 - 2015-5-1

Automatically prefix any variables defined in options.variables with -- (according to CSS custom property syntax).

v0.2.1 - 2015-4-30

Added support for descendant selector nesting instead of just physical space nesting
Fixed issue with comma separated rules. It was throwing a undefined is not a function error
Moved to external scope check isUnderScope instead of integrated into resolveValue
Added test for empty var() call. See test/fixtures/empty-var-func.css

v0.1.0 - 2015-4-29

First release