python3 support

Author: firefly-cpp

README.md

@@ -22,4 +22,9 @@ print Best
 ## Bugs
 Bugs and extension should be send via Github.
 
+## Reference Papers:
 
+I. Fister Jr.,  X.-S. Yang,  I. Fister, J. Brest. [Memetic firefly algorithm for combinatorial optimization](http://www.iztok-jr-fister.eu/static/publications/44.pdf) in Bioinspired Optimization Methods and their Applications (BIOMA 2012), B. Filipic and J.Silc, Eds. 
+Jozef Stefan Institute, Ljubljana, Slovenia, 2012 
+
+I. Fister, I. Fister Jr.,  X.-S. Yang, J. Brest. [A comprehensive review of firefly algorithms](http://www.iztok-jr-fister.eu/static/publications/23.pdf). Swarm and Evolutionary Computation 13 (2013): 34-46.

run.py

@@ -1,4 +1,3 @@
-#!/usr/bin/env python2
 from FireflyAlgorithm import *
 
 
@@ -12,4 +11,4 @@ def Fun(D, sol):
 Algorithm = FireflyAlgorithm(10, 20, 10000, 0.5, 0.2, 1.0, -2.0, 2.0, Fun)
 Best = Algorithm.Run()
 
-print Best
+print (Best)