[WAB-44]
Merge branch 'save' of github.com:justin-arvay/WebAssetBundler into save

Conflicts:
	WebAssetBundler/WebAssetBundler.Tests/WebAssetBundler.Tests.csproj
	WebAssetBundler/WebAssetBundler/FileSystemDirectory.cs
	WebAssetBundler/WebAssetBundler/IDirectory.cs