Bmlab

Added
- Implement 4-peak fitting 167

Fixed
- Fix get_frequencies_by_time 165
- Fix evaluating files without calibration 166

Added
- Implement exporting 3D data 162

Changed
- Fit Brillouin spectrum on frequency axis 158

Fixed
- Fix parameter label in csv files 163

Fixed
- Correctly initialize setup on new file load 156

Added
- Also store Rayleigh peak shift 153
- Write scale bar to Brillouin Tiff file 154 155

Added
- Allow to specify calibration temperature 143
- Export all peaks from multi-peak fits 146
- Also store peak fit offsets 150 151
- Allow to get fits 152

Changed
- Update scipy 142

Fixed
- Handle indices as int when getting key 144
- Fix exporting fluorescence w/o scale calibration 145
- Don't overwrite bounds when setting peak number 148
- Don't fail to set regions w/o calibration 149