basepkg-47 improve singleton decorator using wrapt package.
basepkg-29 Provide easy to configure and use logger.
basepkg-29 Provide easy to configure and use logger.
basepkg-29 Provide easy to configure and use logger.
Merge branch 'feature/basepkg-29' into develop

Conflicts:
	src/basepkg/gp_tools/fuzzer.py
basepkg-30 Loggers added and configured.
basepkg-27 Release v0.2.1
basepkg-27 Release v0.2.1
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 Initial README
tweak .travis.yml
tweak .travis.yml
tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml
basepkg-27 Release v0.2.1 tweak .travis.yml