- move to xml2 from XML and from plyr to dplyr
- bug fixed in traffic_history. arguments to amz API calls now case sensitive.
- Lots of linting. Only issues with XML function names
- start_date in traffic_history is now optional. Also fixes a bug. Use ldply rather than use something more complicated.
- Two bugs in traffic_history function fixed
- url_info just returns a list
secret arguments in functions.