removing = from argument values
removing unintended changes
add new line
adding doctring
adding testcases and moving function from utils to helpers
 check argument values
 check argument values
 check argument values
 check argument values
 check argument values
 catch and ignore when exceptions are raised while retreiving reverse domain records
 handle non-existent reverse domains
removing general exception
removing general exception
IMS checks privateNetworkOnlyFlag for reserver domains
changing test for issue 370 to sync it with IMS check
Merge pull request #378 from Neetuj/newissue370

 Bug 370:catch and ignore when exceptions are raised while retreiving reverse domain records
Added check for privateNetworkOnly in vs to match server
Fixes #381\nFirewall orders now take into account redundant interface pairs (or any other interface groups) when determining which firewall to order for a server
Removed unneeded parens and adde a docstring