Fast5-rekindler

Fixed
- Removed redundant code that gave error when closing the database

Fixed
- A bug where some processes created emtpy tmp_worker files that caused problems during merging them in bam.db

Fixed
- A bug that caused tailfindr to crash because the basecalling subgroup name had a typo

Added
- Splitting of duplex reads in FAST5

Fixed
- Errors encountered in suplementary alignments due to missing FASTA data
- CLI text
- Fixed missing BAM sorting step

Added
- First fully functional release of code which can collate info in POD5 and BAM file into legacy basecalled FAST5 files