Drop CamelCase in favor of snake_case in future versions of Panda3D

[serega-kkz]

In fact, it is necessary to follow the PEP8 in the collective development of the project.
It would be better to change the names of the classes and methods to more logical ones. For example, everyone is familiar with pain?
disableMouse()
or.

points and vectors

30 vector and point classes!? LPoint2d LPoint2f LPoint3d LPoint3f LPoint4d LPoint4f Point2 Point2D Point3 Point3D Point4 Point4D LVecBase2d LVecBase2f LVecBase3d LVecBase3f LVecBase4d LVecBase4f LVector2d LVector2f LVector3d LVector3f LVector4d LVector4f Vec2 Vec2D Vec3 Vec3D Vec4 Vec4D I would think 6 should suffice (i.e. vector and a point for 2,3 and 4 dimensions.) The API refrence was n…