Changed default percent converged and tolerance goal

Should be less likely to converge early since it requires half of the whole population to converge.

src/attributes.py

@@ -62,8 +62,8 @@ class Attributes:
             current_fitness             = 0,
             generation_goal             = 15,
             fitness_goal                = None,
-            tolerance_goal              = 1e-3,
-            percent_converged           = 0.25,
+            tolerance_goal              = 1e-2,
+            percent_converged           = 0.50,
             chromosome_mutation_rate    = 0.15,
             gene_mutation_rate          = 0.05,
             initialization_impl         = Initialization_Methods.random_initialization,