add path joining functions
Merge branch 'multi-out-problem' of https://github.com/bwanab/modsynth into multi-out-problem
Merge branch 'multi-out-problem' of https://github.com/bwanab/modsynth
get basic version of join-on-common working
Merge branch 'master' of https://github.com/bwanab/modsynth
change merge to use join-on-common; modify amp synth