Modifies script to return pandas dataframe, also refactors the script's main method.
Modifies script to return pandas dataframe, also refactors the script's main method.

phageParser/phageParser,mbonsma/phageParser,phageParser/phageParser,mbonsma/phageParser,mbonsma/phageParser,goyalsid/phageParser,goyalsid/phageParser,phageParser/phageParser,goyalsid/phageParser,phageParser/phageParser,mbonsma/phageParser