Fix a bug where names were broken through imports.

Closes #20
Closes #8

Author: nex3

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 1.0.0-alpha.2
+
+* Fix a bug where variables, functions, and mixins were broken in imported
+  files.
+
 ## 1.0.0-alpha.1
 
 * Initial alpha release.

lib/src/environment.dart

@@ -123,11 +123,11 @@ class Environment {
   /// otherwise independent.
   Environment global() => new Environment._(
       [_variables.first],
-      new Map.fromIterable(_variables.first.keys, value: (_) => 1),
+      new Map.fromIterable(_variables.first.keys, value: (_) => 0),
       [_functions.first],
-      new Map.fromIterable(_functions.first.keys, value: (_) => 1),
+      new Map.fromIterable(_functions.first.keys, value: (_) => 0),
       [_mixins.first],
-      new Map.fromIterable(_mixins.first.keys, value: (_) => 1),
+      new Map.fromIterable(_mixins.first.keys, value: (_) => 0),
       null,
       null);
 

pubspec.yaml

@@ -1,5 +1,5 @@
 name: sass
-version: 1.0.0-alpha.1
+version: 1.0.0-alpha.2
 description: A Sass implementation in Dart.
 author: Dart Team <[email protected]>
 homepage: https://github.com/sass/dart-sass