Zupaplex Rebirth

Mar 22, 2019

- feature: import levels
- feature: leaderboards added for levels 1-70 of default collection
- feature: get stars for completing levels without restore
- bugfix: skips counted globally, should be per level collection
- bugfix: completed levels could be lost when switching between level sets
- bugfix: performance issues fixed
- bugfix: murphy can't push objects into explosion
- bugfix: eliminate world margins
- bugfix: incorrect fall order of mixed infotrons/zonks