Fortpy

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- Added property editing for all variables at once using `*` as the variable name.
- Fixed a bug when setting plot line widths.
- Added additional support for postfix functions that return `None` values.
- Fixed bug where line plots weren't including lines by default if any marker settings were given.

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- Added option to set x and y axis plot limits.
- Added option for dependent variables to be plotted either with scatter *or* with plot. In the future it will be easier to add other options if we need to.
- Fixed some minor bugs from previous revisions uncovered during the enhancements.

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- Allowed adding dependent variables from multiple filters for plotting and tabulating.
- Added plot options for `markers`, `lines` and `ticks`.
- Added font options for labels, axes, title and legend.
- Added the option to save and load `font` and `ticks` options to file; this allows publication quality settings to be saved and loaded into any analysis group easily.
- This revision breaks the saved sessions from previous versions of the shell. Increment minor version.
- Fixed a problem in `fortpy.f90` where tab-delimited files were not being read in correctly.

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- Added the option `[None]` as a possible label to remove a series from the plot legend in the test analysis shell.
- Added ranges for specifying the cases in a unit test so that developers don't have to type out series of tests with sequential integers.

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- Debugged the handling of multi-dimensional data for arrays restricted in one of its dimensions combined with an aggregation function.
- Added handling for fitting parameters that have values below `1e-2` so that their equations are displayed in scientific notation instead of plain decimal.
- Added commands `rmcolor`, `rmfit`, `rmlabel` and `rmpostfix` for removing these variable to value mappings.

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- Added shell restarts on unhandled exceptions; the default is to restart 10 times before saving the shell and exiting.
- Added handling so that multiple dimensional data will still be attempted, but with a warning; this allows data that is 1D in certain dimensions to still be plotted/tabulated with an appropriate aggregation function across test cases.
- Added automatic fitting of linear and exponential functions to the plots.
- Added colors and plot legend/title settings/commands to the shell.
- Debugged the shell history getting extremely large from shell restarts.
- Added the option to view/clear the last unhandled exception caught by the shell.