bio data: obtain viral metadata

TODO: Work in progress.

Display metadata on a taxonomical id (with a header):

bio data 11138 -H | head

prints:

accession,species,host,date,location,isolate,species_name
NC_048217.1,11138,,,,,Murine hepatitis virus
NC_001846.1,11138,,,,,Murine hepatitis virus
AC_000192.1,11144,,,,,Murine hepatitis virus strain JHM
JQ173883.1,1163669,,,,,Murine hepatitis virus strain S/3239-17
AY700211.1,11138,,,,,Murine hepatitis virus
AF208067.1,11138,,,,,Murine hepatitis virus
AF208066.1,11138,,,,,Murine hepatitis virus
AF201929.1,76344,,,,,Murine hepatitis virus strain 2
AF029248.1,11138,,,,,Murine hepatitis virus