bio_hansel v0.2.0

Added:

• testing for fastq files, changing input of fasta file to match README documentation
• Travis CI testing; empty __init__.py file that is required to run pytest for CI

Updated:

• #11: schema for Enteritidis to 0.7.0.
• tests
• readme; install instructions

Fixes:

• #4: added version to SCHEME_FASTAS in utils.py and added to Subtype and pd.DataFrame
• #3: check sys.argv length on main.py commandline execution and print help on no args
• #6: Changing all *_total fields to *_expected
• #7: Filtering out unwanted columns in FASTA output
• #10: > to >= in find_inconsistent_subtypes in utils.py; Added tests for enteritidis subtyping scheme