v1.0.0

Initial release of Steep Channel Toolbox.
Calculated number of steps always rounds up to nearest integer. Divergence from excel tool which rounded to nearest integer.

v2.0.0

Residual depth is now calculated as step height - drop height (H-z). This avoids geometry clashes between the three parameters which were previously calculated separately. Divergence from excel tool and v1.0 which calculated residual depth from D84 Bed.
The minimum step length of 2*D84 is now capped at step spacing - pool length (Lspt-Lp). This avoids cases of the pool and step lenghts exceeding the step spacing. Divergence from the excel tool and v1.0 which had no cap.
Added an option to change bank slope between 1.5H:1V and 2H:1V. Channel geometry is now calculated based on variable bank slope. Diverges from excel tool and V1.0.
Removed the option for fixed number of step pools #SP. Divergence from excel tool and V1.0.
Added an imperial/metric unit conversion option.
Added grain size distribution plots.
Added parameter symbols to the output CSV format.
UI clarity updates and bugfixes.