Merge branch 'joamag/run-until' into 'master'

.gitignore

.gitlab-ci.yml

README.md

frontends/libretro/src/lib.rs

frontends/sdl/src/main.rs

frontends/web/ts/gb.ts

setup.py

src/consts.rs

src/gb.rs

src/lib.rs

src/py.rs

src/python/boytacean/boytacean.pyi

src/python/boytacean/gb.py

src/python/boytacean/test/__init__.py

src/python/boytacean/test/base.py

src/state.rs

src/test.rs

src/timer.rs