share/bcf_utils.py: new function format_file_sizes (converts bytes to human-readable form e.g. 4.0K etc).
illumina2cluster/analyse_illumina_run.py: v0.1.2: also report file sizes for --stats option.
illumina2cluster/auto_process_illumina.sh: significant updates for acquiring mismatch number and improving robustness etc.
Updated ChangeLog.