Move 'system' module

smnp/module/system/function/exit.py

@@ -0,0 +1,12 @@
+import sys
+
+from smnp.library.model import Function
+from smnp.library.signature import signature, ofTypes
+from smnp.type.model import Type
+
+_signature = signature(ofTypes(Type.INTEGER))
+def _function(env, code):
+    sys.exit(code.value)
+
+
+function = Function(_signature, _function, 'exit')