Merge branch 'globally-called-functions' of https://github.com/Victorystick/rollup into gh-112

test/function/globally-called-modifying-function/_config.js

@@ -0,0 +1,4 @@
+module.exports = {
+	// solo: true, show: true,
+	description: 'globally called function should be included if it modifies an exported value (#112)'
+};

test/function/globally-called-modifying-function/main.js

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+import value from './module.js';
+
+assert.equal( value, 'changed' );

test/function/globally-called-modifying-function/module.js

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+var value = 'original';
+
+function change () {
+	value = 'changed';
+}
+
+change();
+
+export default value;