Draft: Merge version0.1 changes into dev

Working plotID package version 0.1.0 with basic functionality. It is ready for testing according. This can be done with the instructions from the README.

.gitlab-ci.yml

@@ -48,7 +48,7 @@ PEP8:
 Pylint:
   stage: linting
   # allow_failure: true
-  script: find . -type f -name '*.py' | xargs pylint -rn --fail-under=9 --ignore='docs/source/conf.py' # Find all python files and check the code with pylint.
+  script: find . -type f -name '*.py' | xargs pylint -rn --rcfile='plotid/.pylintrc' # Find all python files and check the code with pylint.
 
 test:
   stage: testing