`py--fetch-comint-result' fixed
py-debug-p - menu added
new tests - py-split-window-on-execute-lp-1361531-test.el
Add some commands which user might expect

py-execute-statement-dedicated
py-execute-block-dedicated
py-execute-clause-dedicated
py-execute-block-or-clause-dedicated
py-execute-def-dedicated
py-execute-class-dedicated
py-execute-region-dedicated
py-execute-buffer-dedicated
py-execute-expression-dedicated
py-execute-partial-expression-dedicated
py-execute-line-dedicated
py-execute-top-level-dedicated