Release Version 1.0.0

BACKWARD COMPATIBILITY:

• Remove official Python 2.7 and 3.4 support [ededefb]
• Remove Elasticsearch, syslog and logz.io handlers [14f0a10]
• Change the default env var that enables file logging to HANDLERS_FILE_PATH [14f0a10]

ENHANCEMENTS:

• Blacken wryte.py [7f44167]

RELEASE:

• Optimize tox config and add black validation [2793d7b]
• Add pre-commit config [df03781]
• Default to Python 3.7 when building and testing.