[debugger] added setBreakpoint and clearBreakpoint to help message
[debugger] added setBreakpoint and clearBreakpoint to help message

group commands in help message, added shortcuts info

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node