#17368: Fix an off-by-one error in the Python JSON decoder that caused a failure while decoding empty object literals when object_pairs_hook was specified.
#17368: merge with 3.2.
#17402: avoid shadowing built-in map in mmap examples.  Initial patch by Aman Shah.
#17402: merge with 3.2.
Issue #17176: Document that imp.NullImporter is no longer
automatically used by import.
#17307 - Example of HTTP PUT Request using http.client
#17307 - merge from 3.2