merge and a few changes for the SyntaxError problem with mixin in (pip installation). -> fixes #79, also important for #82, #81, davidhalter/jedi-vim/issues/41, solution from #65

jedi/mixin/datetime.pym

@@ -0,0 +1,4 @@
+class datetime():
+    @staticmethod
+    def now():
+        return datetime()