[Bug report] Cannot import after release 0.18.2 if shapely is not installed

[Bug report] Support scientific notation in WKT strings

[Bug report] `ST_Intersects` not returning all expected entries

[Bug report] SAWarning with MariaDB - Did not recognize type 'point' of column 'gps_location'

[How to use] SRIDs with multitenancy

Add warnings before changing the interface of _GISType

Improve internal processes of _GISType

Improve interface of _GISType

Use __slots__ in elements

Add more benchmarks