Added binary files to .gitignore
Fixed a bug where simulated nodes were getting "infected" when they were already infected. Fixed an index out of bounds bug. Implemented a getter method to better decouple classes.
Finished writing up a simulation script that produces PNG images of various data measurements for the simple simulation.
Implemented the Simulation class methods.
Fixed a logic error in the program where the ends of data lists were being padded with zeros instead of the last value in the list.
Added a sanity test for the Simulation script.