Updated CHANGELOG and bumped version number to 0.4.0.

removed debug print

new: [cli] added -v/--verbose argument in order to display the state of the machine in stderr

chg: [rotor] ROTOR_III_K was defined accidentalz as ROTOR_II_K.

Bumped version number.

fixed tests and README.

add ringstellung feature

correctly ignore non alphabetic char

fixed merge issue

Updated development dependencies.

Updated project home page.

Python minimal version is now 3.6

New release

renamed file for the cli

added poetry.lock

Updated README.

Updated CHANGELOG.

Updated README.

Updated README.

added missing __init__.py

added configuration for build.sr.ht