added *obj to the type environment and rewrote the c# test files to java

Equivalent mutations/BST.java

Equivalent mutations/Fibonacci.java

Equivalent mutations/Mutants/BST_no_parent.java

Equivalent mutations/Mutants/Fibonacci_no_extra_prints.java

Equivalent mutations/Mutants/Stack_bool_is_result.java

...lent mutations/Mutants/Stack_constructor_duplication.java

Equivalent mutations/Mutants/Stack_useless_property.java

Equivalent mutations/Stack.java

Equivalent mutations/original C# code/BST.cs

Equivalent mutations/original C# code/BST_no_parent.cs

Equivalent mutations/original C# code/Fibonacci.cs

...t mutations/original C# code/Fibonacci_no_extra_prints.cs

Equivalent mutations/original C# code/Heapsort.cs

Equivalent mutations/original C# code/Matrix.cs

Equivalent mutations/original C# code/Stack.cs

...valent mutations/original C# code/Stack_bool_is_result.cs

...tations/original C# code/Stack_constructor_duplication.cs

...lent mutations/original C# code/Stack_useless_property.cs

HelperFunctions.hs

Main.hs