Add tests and start a more turnkey testing system.

test/base-tests/python2/test_tuples.py-notyet

@@ -0,0 +1,20 @@
+a = (1,)
+b = (2,3)
+a,b = (1,2)
+a,b = ( (1,2), (3,4,5) )
+
+x = {}
+try:
+    x[1,2,3]
+except:
+    pass
+
+x[1,2,3] = 42
+print x[1,2,3]
+print x[(1,2,3)]
+assert x[(1,2,3)] == x[1,2,3]
+del x[1,2,3]
+
+x=[1,2,3]
+b=(1 for i in x if i)
+b=(e for i in range(4) if i == 2)