simplify KISSParser#hashify calls
KISSParser: simplify #ps and #qs
KISSParser: (method) order muss sein
namespace width_of
FunctionPresenter: delegate all the calls
FunctionPresenter#columns_from: minor naming clarification
CircuitPresenter: delegate all the calls
refactor FunctionPresenter#entry_for a bit
FunctionPresenter: minor naming clarification
FunctionPresenter: refactor a bit
FunctionPresenter: smplfy
Circuit.from_fsm: minor signature adjustments