Merge pull request #30 from hammerlab/cds-offset-fix

get_utr_length function properly looks through all exons
max length typo, set new default to None
Merge pull request #31 from hammerlab/fix_max_length_peptide_from_transcript

max length typo, set new default to None
added another transcript variant test for CASP9 which is failing on PCT patient data
added transcript test
add stranding information
complement bases on reverse strand