<!-- before posting an issue, try chatting on https://gitter.im/pattern-lab/node --> <!-- before posting an issue, verify you are running at least Node 4 or 5 --> I am using Pattern Lab Node `v2.7.2` on `Windows | Mac | Linux`, with Node `v4.7.2`, using the `Gulp` Edition. ##### Expected Behavior Putting underscore as the first character of a pattern directory name, such as `00-atoms\_00-blah`, should exclude `_00-blah` from the library. ##### Actual Behavior It throw following critical error ` Could not find patternType 00-atoms-00-atoms. This is a critical error.`