BugFix: Arduino compiler crashes in Windows systems.
Editor: Save settings inmediatly.
Node: avoid self-connections
Editor: set default font size.
SimulIDE 0.2.9 branch
555
Some examples.
Some cleaning and update examples.
BugFix: Mosfet and op Amp not initializing properly in Subcircuits.
BugFix: Sevensegment and Led Matrix not resizing properly.
