Public identifier casing is inconsistent

[dxrcy]

Eg. MinecraftConnection::getHeight vs HeightMap::get_worldspace.

Not sure if this is worth creating a breaking change in the next release to fix.

[dxrcy]

A bit of a nitpick I know.

[rozukke]

Unfortunate byproduct of the original being a python library with non-pythonic naming schemes. Not sure if worth the hassle, will keep open for now 👍