Started on batchPatch.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27166 f0d54148-0727-0410-94bb-9a71ac55c965
Added json helper functions.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27167 f0d54148-0727-0410-94bb-9a71ac55c965
Smarter double handling.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27168 f0d54148-0727-0410-94bb-9a71ac55c965
Get request cleanup and implemented a post request.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27169 f0d54148-0727-0410-94bb-9a71ac55c965
Implemented CreateFeature().

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27170 f0d54148-0727-0410-94bb-9a71ac55c965
Implemented DeleteFeature().

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27171 f0d54148-0727-0410-94bb-9a71ac55c965
Implemented write capabilities.

* batchPatch, batchCreate and batchDelete
* table creation

Known issues:
* After creating a table it's not possible to read it
* OGRGMEDataset doesn't know how to create tables (it still uses open)

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27172 f0d54148-0727-0410-94bb-9a71ac55c965
Fixed creating and uploading data to a table.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27173 f0d54148-0727-0410-94bb-9a71ac55c965
Added support for a trace token

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27174 f0d54148-0727-0410-94bb-9a71ac55c965
project -> projectId

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27175 f0d54148-0727-0410-94bb-9a71ac55c965
Don't create the gx_id fild if the user hasn't created it, add it in the background.

git-svn-id: https://svn.osgeo.org/gdal/trunk/gdal@27176 f0d54148-0727-0410-94bb-9a71ac55c965