add temporary documentation files
update .gitinore to ignore latex trash
add visibility point-segment w/ binary search
change docstring quotes to keep consistant
add behaviour to intervals when executed as main
add dominate() method to Points
refactor Line as Line2D
change: float() coordinates of Vector3D in constructor
add some 3D geometric stuff

    add Line3D as a point and a director vector
    add Segment to Line3D conversion
    add Plane as a normal vector and a point (or the d coordinate)
    add intersection between Plane and Line3D
    add creation of Vector3D or Plane from points
add: throw exception the normal vector of Plane is nul
remove this commit, path is really nasty