I had so much problem managing windows/layers/tabs that I remove all settings, so you can now only launch a search in current window/layer/tab. Thus it works the same way on KM-1.1.x, KM-1.5 and KM-CCF.
Version is now 0.1.0.
Sources are available (no licence, do what you want with them).
this version may solve your problem.
I let the r006 binary available, searchbare