v0.1-alpha

Pre-release of KrakenTools suite. Includes the following scripts (in order of release date)

1. extract_kraken_reads.py
2. combine_kreports.py
3. kreport2krona.py
4. filter_bracken_out.py
5. fix_unmapped.py
6. make_ktaxonomy.py
7. make_kreport.py