Initial commit of Python queries and QL libraries.

python/ql/src/Statements/ModificationOfLocals.py

@@ -0,0 +1,10 @@
+
+def modifies_locals_sum(x, y):
+    locals()['z'] = x + y
+    #z will not be defined as modifications to locals() do not alter the local variables.
+    return z
+
+def fixed_sum(x, y):
+    z = x + y
+    return z
+