Initial commit of `.readSampleMetadataFile()`, using the version from bcbioSingleCell, which supports multiplexed index barcodes (`sequence` column).
Initial commit of `.readSampleMetadataFile()`, using the version from bcbioSingleCell, which supports multiplexed index barcodes (`sequence` column).

steinbaugh/seqcloudr,seqcloud/seqcloudR,steinbaugh/basejump