Pysra

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- Added: Depth dependent velocity variation model
- Added: Output plotting functionality
- Added: Ability to exclude soil type variation from bedrock

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- Fixed: Error in SPID variation of G/Gmax
- Added: Scaling during read of SMC and AT2 input motions

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- Add InitialVelProfile and CompatVelProfile outputs

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- Remove Cython and cyko as dependencies
- Added a numba based Konno-Ohmachi smoothing

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- FIXED 11: Dependencies missing on install.

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- FIXED 9: Wrong stress for some Menq components.