* Better handling of empty strings passed as input. * Fix the shift safe number issue from 0.9.12 * More minor pylint / etc fixes / cleanups (general code quality) * separate `.parse` from #115 * Allow setting up completely empty `{}` operators / functions * Add extra bit-ops from #87 OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-simpleeval?expand=0&rev=13