Basic support for Py_UNICODE* strings.
Tests for Py_UNICODE* string support.
Full support for Py_UNICODE[] literals with non-BMP characters.
Fixed a silly typo.
Renamed Py_UNICODE* entities to use "pyunicode_ptr" prefix; fixed small issues in Py_UNICODE* support.
Documentation for Py_UNICODE* string support.
More pyunicode_ptr renames.
Merge pull request #191 from nnemkin/py_unicode_strings

Py_UNICODE* string support