Finished implementing the basics for DynamicsScreen..

The screen has a fully working level.
TODO: Add usage of states.
Removed bug from Spawner.cs..

It now checks if anything has spawned before it starts it's adapting algorithm.
SpawnPortal can now be drawn.
Changed camera's lower border for user experience.
Playtests document added.
Implemented Playtest results..

ScoreBar now removes 1% every 5 seconds (down from 10 seconds).
Enemies now remove 2.5% score (up from 1%).
Friendlies now add 1% score (from static score 500).