Fixed numerical issue with step size
Added support for infinity
Moved terminals to the edge of the component
Better test for Dirty flag
Tweaked rendering of terminals and text size
Nodes use "_v" as name by default
Added anonymous unknowns and comments
Added static Analyze implementations
Added Speaker, refactored IO system, added Error component type
Fixed V[t] matching a V[] expression
Changed Output to Speaker
Tweaked speaker name position