Merge pull request #307 from francisco-dlp/ENH_Model

Suspend automatic fine structure width adjusment
Merge pull request #299 from francisco-dlp/BUG_FIX_fourier_ratio_single_spectrum

BUG_FIX: fourier_ratio_deconvolution broken for single spectrum.
Merge pull request #298 from francisco-dlp/BUG_FIX_estimate_elastic_scattering_threshold

Bug fix estimate elastic scattering threshold
BUG_FIX: spikes_removal_tool was not updating the plot when changing add_noise value.
Merge branch 'ENH_spikes_removal_tool_update' into 0.7.1