Warnings and whitespace
Consistent comment style.
use default VPC as a default
Subnets docs
Fixed load balancer update bug for region-account with default VPC
Unit tests for Subnets and Load Balancer operations

Made fields of Subnets class readable so they’ll be included in the equals comparisons for unit testing. Still fully immutable.
Release 1.4.1
Merge pull request #455 from joesondow/fix-for-default-vpc-account

Fix for default vpc account