Rename Parse.hs to IP.hs and cleanup bytestring
Add text dependency
Hosts module deals with the host map
Read hosts from file
Use Iptf.IP ip datatype in Iptf.Hosts
Call HostRecords Records
Get an IP from a Hosts given a Hostname
Change IP to be a Text parser instead of Bytestring
clean up Hosts.hs
Use Hostname(..) in the Iptf.Options
Remove unused imports in Main.hs
Update to use Hostname in Options
IP is based on Text and ipFromFile is updated for

the file based workflow
Import Text datatype unqualified
toText converts Hosts map to Text
Change argument order for ipForHostname
Functionality to update the Hosts map
Remove superfluous imports
Remove ipFromfile

Read the Hostsfile separately, and get the IP from that
use writeFile from Text