Pause when triggered pauses a node

superclass: UGen

*kr(gate, nodeID)

gate when gate is 0,  node is paused, when 1 it runs

nodeID node to be paused

//example

s.boot;

SynthDef("a", { Out.ar(0, SinOsc.ar(800, 0, 0.2)) }).send(s);

SynthDef("b", { arg gate=1; Out.ar(1, PinkNoise.ar(0.3)); Pause.kr(gate, 1001); }).send(s);

s.sendMsg(\s_new, \a, 1001, 0, 0);

s.sendMsg(\s_new, \b, 1002, 0, 0);

s.sendMsg(\n_set, 1002, \gate, 0);

s.sendMsg(\n_set, 1002, \gate, 1);