v0.3.0

Added features:

• 2D range selector matrix() now provides either rectangular data as coo_matrix or triangular data as a pixel table dataframe.
• Added binning support for any genome segmentation (i.e., fixed or variable bin width).

Bug fixes:

• Fixed issues with binning data from mapped read files.
• Genomic locus string parser now accepts ENSEMBL-style number-only chromosome names and FASTA-style sequence names containing pipes. It will still reject a name that begins with a number followed by other characters.