pickle filename is now dependent on output filename instead of a pure
absolute string.
init commit: scans through samples and finds an event.
remove debugging comments and added min_counts as a function argument.

added min_counts to main()
group_miso_utils: typo in read_counts_from_miso_header, returning
counts11 when it should be counts01
read_saved_write_txt.py switch to false by default.
min_count must be converted to integer for comparisons to work.