Release 0.3.2

-  bump Cargo.toml version to 0.1.20 for publish

Release 0.3.1

- remove debug print, update .gitignore

Release 0.1.20

- remove debug print, update .gitignore

Release 0.3.0

- tweak swirling trash lights

Release 0.2.1

Merge branch 'master' of https://github.com/polymonster/hotline

Release 0.2.0

- add data as a submodule and update docs

Release 0.1.19

Merge branch 'master' of https://github.com/polymonster/hotline

Release 0.1.17

- add checkerboard shader for primitives

Release 0.1.14

Merge branch 'master' of https://github.com/polymonster/hotline