Update setup.cfg

Merge branch 'warp'

Update spreadsheet_test.py

Update version number

Update setup.cfg

Merge pull request #30 from ricalbr/improve_trench_time

Improve trench compilation time

Merge pull request #27 from ricalbr/trench3d

Add 3d plot for trench objects

Update writer.py

Merge pull request #24 from ricalbr/configparser_helper

Load TOML helper

Update README.md

Add documentation link.