v1.6.3

• New track type: ase (allele-specific expression). Shows variant allele frequency for SNPs in genes, in DNA and RNA, in order to display if some genes are expressed from only one allele. See the documentation. This requires preprocessed data generated by fast_ase.
• bed track: added use_file_colors option to use colors provided in the bed file (ninth column), show_strand to show the orientation of each interval. By default, overlapping intervals will now be displayed on multiple rows, unless collapsed is set to true.
• GUI: added tooltips to explain the effect of each parameter.