Merge pull request #86 from asascience-open/master

Include requirements in the PyPi package so it can be pip installed
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
CQL and filters are one or the other
get CSW tests working
update deps in requirements.txt, move from .travis.yml
update tests
update test
move doctest
WMTS test fix - make testing more robust by sorting list
Remove ERDAS tests that fail (because of incorrect bounding box coordinate order).

It would have been nice to update with newer implementation, but the test servers
are no longer available, so this seems the best way.
Merge pull request #91 from bradh/wmtscleanup

WMTS test cleanup
Fixing broken WPS tests.
Fixing bug in parsing "LiteralOutput".