docs: detailed the bigand, bigor, exact... limit/special cases
docs: detailed the bigand, bigor, exact... limit/special cases

docs: pdf has now less margins and more text on each page

FredMaris/touist,touist/touist,FredMaris/touist,olzd/touist,touist/touist,touist/touist,touist/touist,olzd/touist,olzd/touist,FredMaris/touist