For more information feel free to ask for clarifications on forums or take a peek at the code.
Here is a general list of Converter capabilities and conversion mechanic explanations. 3 Recent version history and changelogs.1.14 Diplomacy, Spherelings, Puppets and Personal Unions.1.11 Cores, States, Territories and Colonies.1.5.2 Cultural and Religions conversion in EU4.