[SourceNode.cpp : Small changes to accomodate changes in message history]
Merge branch 'master' of https://github.com/shinhermit/Aduino_simple_routing
[commit pull]
Merge branch 'master' of https://github.com/shinhermit/Aduino_simple_routing
[HitoryEntry > operator modifications]
Merge branch 'master' of https://github.com/shinhermit/Aduino_simple_routing