made error messages for reading chr files more informative
added support for ambiguity codes
added utility function nuc_ids_have_n
use nuc_ids_revcomp function rather than doing own revcomping
- use char to hold strand rather than int
- expose seq_coord_write function rather than string conversion function
added functions for reading / writing from gzipped binary files
use nuc_ids_revcomp instead of seq_nucs_revcomp
removed old calc_mappability program, obsolete with creation of new mapping code in mapper repo
added new utility function util_check_gzopen that checks if a file
exists before opening it in 'wb' mode
added assembly argument to load_bam_read_depth.py, so non-default assembly can be used
added ability to read uint8 datatype from wiggle files
removed some print outs
can now read uint8s from wiggle files
only try to add values from track if it has chromosome
added function for writing fasta format
corrected mistake in comment