Merge pull request #13 from remiolsen/master

Man vs PEP 8 or: How I learned to stop worrying and love 80 columns
Merge pull request #14 from remiolsen/master

Changed to regex when parsing scf filename
check and remove broken links
Merge pull request #15 from senthil10/master

check and remove broken links
Added reverse complement for IUPAC ambiguous bases, fix for opgens 1-based indexing
First pass whitespace and 80-ish columns fix