avoid repeated connecting

depend on debug@2.1.1

depend on debug@2.1.1

use debug SGIP:SPListen

use debug SGIP:SMGConnect

v0.2.1 remove SMG listen test line

nodeSMG remove testing server.listen

v0.2.0 publish

add logger for nodeSP

do not repeat gen split seq for the 1st piece

MSG read head bugfix, add instance member

update msg.readHeader, parse SN to 3 parts

bugfix this.log to me.log

splits submit get right .PDU

support imported logger or no longer(default)