Change how structures are stored plus add basic people prototypes
quickfix to tiles placing when using menus bug
Hookup ticker & set zombie (mindless) students loose when added.
Add astar pathfinding for students
Add library v1 (tweak render code), although looks like may have to change tile rendering direction
Start on student AI
Students get assigned a course and room on creation.
Will head to it as first action - move animation currently isn't "tweaned",
Update readme