Merge pull request #1 from n4sa/csv-IP

fixed Readme

updated readme, added new command-line argument <field>

removed console.logs

Converted csvIPInfoMapper into a command line tool

add instructions for running project

update readme with instructions

add data .keep

trying to keep the data directory

add err checking on request

created program for reading, gathering and writing ip address csv data

Add readme and update gitignore with data directory

Initial commit