SpecHLA v1.0.6

• add --db to denote database dir by Redmar-van-den-Berg
• Set index.sh script to exit immediately on failure by Redmar-van-den-Berg
• add --minimap_index to construct minimap2 index and reduce memory usage in mapping for long_read_typing.py
• set max depth for long_read_typing.py
• add --strand_bias_pvalue_cutoff for longshot in long_read_typing.py
• convert sam to bam in long_read_typing.py