Small style corrections
Fixes #121: spikes_removal_tool was causing a stack overflow
Merge pull request #122 from francisco-dlp/BUG-FIX_remove_spikes

Bug fix remove spikes
BUG-FIX: hdf5 files containing non-ascii characters were raising an exception on saving.
Merge pull request #123 from francisco-dlp/BUG-FIX_unicode_in_hdf5

BUG-FIX: hdf5 files containing non-ascii characters were raising an exce...
Merge branch 'master' into ENH_nd_MVA_plotting