Intorduce the ionization integrator class
introduce Addon Module
Reaction class
Add reaction class
Add EscapeDetection to reaction class
Add files for reaction class
Rewrite buffer gas class
Add isotropic files
Add isotropic files
Seed the random engine everytime
Clean strayfield class
clear addon output class out of ProtoMol system
changed isotropic collision spec naming
changed isotropic collision spec naming
trivial changes