- drop Python 2.6 support
- WFS: get schema auth params (karakostis)
- WFS: add sortby to GetFeature requests (drnextgis)
- CSW: add ows namespace to bounding box queries
- CSW: add feature catalogue support parsing
- CRS: support proj.4 CRS definitions (orhygine)
- fix namespaces (jsanchezfr)
- ISO GM03: fix bounding box handling
Signed-off-by: Pierre-Yves <pyu@riseup.net>