What's Changed
* writepypistat.py: new property, merge_stored_data by veghdev in https://github.com/veghdev/write-pypistat/pull/47
* writepypistat.py: new date_period, year by veghdev in https://github.com/veghdev/write-pypistat/pull/48
* writepypistat.py: change date_period into class property, writepypistat() add new postfix parameter by veghdev in https://github.com/veghdev/write-pypistat/pull/49
* Issues: update templates by veghdev in https://github.com/veghdev/write-pypistat/pull/51
* SECURITY.md: update by veghdev in https://github.com/veghdev/write-pypistat/pull/53
* pull_request_template.md: update by veghdev in https://github.com/veghdev/write-pypistat/pull/55
**Full Changelog**: https://github.com/veghdev/write-pypistat/compare/0.1.2...0.2.0