urlTools.makeFileUrlMatcher: Don't break when called with non-string arguments.
urlTools.makeFileUrlMatcher: Don't break when called with non-string arguments.

papandreou/assetgraph,papandreou/assetgraph,papandreou/assetgraph,jscinoz/assetgraph,jscinoz/assetgraph,slang800/assetgraph,assetgraph/assetgraph,jscinoz/assetgraph,slang800/assetgraph