Rework of yaml log of processing steps. The log is now a flow of steps, any of which can be repeated. Additionally, plotting of the harmonic modelling has been changed to frequency domain.
* Work towards loop info
* improvements, table is getting smarter about loop transmission
* better loop logic
* currently broken, but refactoring to enable processing of legacy data
* Binary file read is restored, working on ASCII
* Legacy FID's can be loaded
* Added option for python phasing rather than R
* Logging improvements with saved files
* A few tweaks
* reduced search for nls