Add a Null logging handler and avoid creating random log files
Fix relative links in documentation
Use the ServiceException from util instead of creating another
Allow the outputFormat parameter in WFS GetFeature requests.

Also allow non XML responses
Fix CSW test.  Should now resist failing when the service changes.
Fix CSW test
Fix formatting of README.txt
Avoid depreciation warning. fixes #127.
Merge pull request #140 from kwilcox/master

Adds simple utility logger and outputFormat to WFS GetFeature requests