cleanup: remove (set)
minor cleanup
minor fixes
minor: move code
minor:wording
new: tool to search for non-self dual spaceships
new: tool to make HTML reprot of the libarry
minor: removedead code
improve rle parser
new: collider: already detects when collision started
code: simplifying collider...
test
clean-up
fix: detector/classifier now works
minor: inverse tfm
collider: analysy small fix
collider: restore offset
minor
chorus: better code
fix: calculate offset of the collision products correctly