Balancing

Main Changes:

added enemy damage scaling and exp scaling

nerfed damage gained per level from +1 to +0.3

nerfed armor per level to:

experience_level > 5:

armor += 0.05

experience_level > 10:

armor += 0.09

 experience_level > 25:

armor += 0.25

experience_level > 50:

armor += 0.55