_get_bases_mask now return a base mask for each index length, for mixed index runs
_get_fastq_with casava parallelized with multiprocessing.Pool
Added unittest for _get_bases_mask
Merge branch 'develop' of https://github.com/SciLifeLab/bcbb into develop
Typo fixed
Only create samplesheet if r1 = True. Do not explicitily create Unaligned_*. Thanks @b97pla!
Merge pull request #249 from guillermo-carrasco/develop

Demultiplexing for different index configurations