usage: python3 get_genbank.py

result: creates directories with all available genbank databases. Currently, this would look like this:

               |gbvrl
               |gbsyn
               |gbsts
               |gbrod
               |gbpri
               |gbbct
               |gbcon
               |gbenv
<current dir>-/gbest  
 	      \gbgss
               |gbhtc
               |gbhtg
               |gbinv
	       |gbmam
	       |gbpat
               |gbphg
               |gbtsa
               |gbuna
               |gbvrt

Please note that there is roughly 906 GB of data downloaded with this script. Be careful.