Merge pull request #134 from jgoldschrafe/fix/index

fix: correctly import withOnlyPackageCommits

src/index.js

@@ -1,6 +1,6 @@
 const readPkg = require('read-pkg');
 const { compose } = require('ramda');
-const withOnlyPackageCommits = require('./only-package-commits');
+const { withOnlyPackageCommits } = require('./only-package-commits');
 const versionToGitTag = require('./version-to-git-tag');
 const logPluginVersion = require('./log-plugin-version');
 const { wrapStep } = require('semantic-release-plugin-decorators');