Update setup.py

Author: drobnyjt

setup.py

@@ -3,7 +3,18 @@
 
 setup(
     name="RustBCA",
-    rust_extensions=[RustExtension("libRustBCA.pybca", binding=Binding.PyO3, features=["python"])],
+    version="1.1.2",
+    rust_extensions=[
+        RustExtension(
+            "libRustBCA.pybca",
+            binding=Binding.PyO3,
+            features=["python"],
+            #args=["+nightly", "--edition 2018", "-Z unstable-options"],
+            #optional=True,
+            rust_version="1.56.1"
+            
+        )
+    ],
     # rust extensions are not zip safe, just like C-extensions.
     zip_safe=False,
 )