The following files where added:

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Ising2d.h
Ising2d.cpp

description: This files contain the Ising2d class. Comments
are provided to describe each method that comprises the class.
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main.cpp

description: Monte Carlo steps and annealing portion of the
simulation are done within main. Measurements are also taken
and the simulations  output is saved to a csv.
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plot.py

description: Requires numpy, scipy and matplotlib to run. Reads
in the output file and plots the magnetization per site, the
enegry per site, the specific heat and magnetic suseptibility.
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