Don't merge, its not done , for Jared to look at
I guess some of my code didn't get pushed last time
Do not take Scenarios.Xml from this branch.
Negative values work now
Multiplication
Fixed scenario
Put in the modifier attributes into all the spawners in the scenario xml. Also put in the default values of the enemies modifier in the spawner class equal to 1.0.
Merge pull request #184 from 4950/Brandon/Modifier

Modifiers work great. Now you can make the monsters extremely easy or hard.