Update 0.5

- Implemented fishes
- Implemented GCAT DNA editor
- Implemented research discovery system
- Research tab has been added
- Flatworms can now evolve into fishes
- Animals mutations are now environment dependent
- Animals can now spawn in up to 8 different families
- Animals search now for new homespot if old is unreachable
- Animals eat now all parts of the plant, not only leafs and fruits
- Plant cuttings left in Research tab slot are now stored in save file
- Plants species can be now discovered and browsed in research tab
- Plants are now categorized and belong to one of 8 orders and 23 families
- Main menu animates now through default/last played tank in background
- Animals family homespot is now highlighted by hovering family on animal list
- Consumable to prevent selected animal families from reproducing added
- Fixed animals home positions saving
- Fixed animals colliding with held objects
- Fixed plants animating when time is stopped
- Fixed visual issues with single node multiplier plants
- Fixed time resuming always to 1x speed after shifting ground
- Fixed plant cuttings immediately disappearing after taking a cut
- Fixed sponges sometimes spawning heir in wrong position after loading game
- Optimized interface by decreasing draw calls/object count per canvas
- Optimized plants mesh combining coroutine timings between frames
- Refactored all DNA editing functions and variables into discrete controller