allow CSW URLs to be requested as unicode or string
use basestring rather than complex conditional
Merge pull request #87 from rclark/allow-unicode-url

allow CSW URLs to be requested as unicode or string
Fix https://github.com/geopython/OWSLib/pull/82#issuecomment-24435581
Merge remote-tracking branch 'geopython/master' into issue72
Merge pull request #88 from severo/issue72

Issue72
bump 0.8.2
back to dev