* wrap boto3 connection in try/except and handle exception, add traceback import
* params dont need to be mutually exclusive and support check mode
* add check to set nacl_ids to empty list instead of None for boto3 func
* standard exception handling using traceback
* update current RETURN documentation which is incorrect.
* update logic to check for and return ipv6 cidr instead of ipv4 cidr in a NACL
* ignore default and reserved rule numbers - greater than 32766
* was breaking on non-standard protocol numbers - AWS nacls now support full list -1 to 254
* update port range and icmp type/code handling
* add some more detail to returned nacl entries
* Update exception handling to account for BotoCoreError
Remove exception handling from the boto connection creation since it does nothing
* rules numbers from 32767 to 65535 are reserved for internal AWS use so we ignore here
