initial mostly-untested fixed-size-bignum implementation
initial mostly-untested fixed-size-bignum implementation

elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake