Merge branch 'release/0.4.0'
Merge branch 'release/0.4.0'
Updated readme with new command line help text
Now handling unset --valid-ips flag #8
Bumped version to 0.4.1a1
Don't exclude 0 and 255
Refactored the inefficient CIDR handling #8
Bumped version to 0.4.1a2
Bumped version to 0.4.1
Merge branch 'hotfix/0.4.1' into develop

Conflicts:
	aws_ec2_assign_elastic_ip/settings.conf