Make tag for release 1.5.2

CHANGES

HowToUsePyparsing.html

HowToUsePyparsing.txt

LICENSE

MANIFEST.in

README

parsingClassDiagram.PNG

pyparsing.py

pyparsingClassDiagram.JPG

pyparsingClassDiagram.PNG

pyparsing_py3.py

setup.py

src/CHANGES

src/HowToUsePyparsing.html

src/HowToUsePyparsing.txt

src/LICENSE

src/MANIFEST.in

src/MANIFEST.in_bdist

src/MANIFEST.in_src

src/README