* Refactor to make data search testable
* Test ensure_env with faked sys.prefix and _env file location
* raising=False
* Don't call fixture function, use it as a fixture
* Re-applying PR #1546 to maint-1.0 via patch (#1549)
* Refactor to make data search testable
* Test ensure_env with faked sys.prefix and _env file location
* raising=False
* Don't call fixture function, use it as a fixture
* Add function to get context if needed
* added support for ESRI wkt strings - resolves issue #1537 (#1538)
* updated _handle_crswkt to use CRS.from_wkt; resolved issue #1540 (#1541)
* updated _handle_crswkt to use CRS.from_wkt; resolved issue #1540
* added test for datasetreader opening dataset with ESRI projection wkt string
* Handle GDAL's comments about WKT to PROJ conversion
* Bring Env inside methods if needed
* New test of compound CRS that was crashing 1.0.9
