Add html output for xndarray (WIP). TODO: test on more complex arrays
move indev code for xndarray html output to lib
Cleaning: remove some useless prints & args
Fix prf & brf length
Merge branch 'xndarray_html_ouput' into fix-physio
Merge pull request #39 from thomas-vincent/fix-physio

Add html output for xndarray. + some cleaning