topsStack/FilterAndCoherence.py:
+ add .full suffix to the complex coherence filename only if the multilook number is 1
+ for multilook number as 1, do not run looks sub-module
topsStack/Stack.filter_coherence(): add .full suffix only when azLooks * rgLooks == 1
topsStack/mergeBursts.py: add python3 at the top of script