add params evolution class
Merge branch 'master' of https://github.com/michalr/Evolutionary-Weapon into params_evo
work in progress
newline added for chart points
added simple evolution inside evolution
Merge branch 'params_evo' of https://github.com/michalr/Evolutionary-Weapon into params_evo

Conflicts:
	weapon.rb
add evolution inside of evolution to weapon.rb
refctor code a bit
Merge pull request #16 from michalr/params_evo

Params evo