Sfeprapy

- [ ] Added: 1D heat transfer module.
- [x] Improved: `cli` mcs0 template save as `.xlsx`.
- [x] Fixed: `cli` mcs0 template blank lines when saved as `.csv`.

- New: GUI added to `sfeprapy.mcs0`, can be summoned in CLI by `sfeprapy mcs0 gui`.
- Improved: various improvements see repository commits.

- New: repository feature, codecov integration.
- New: repository feature, travis integration.
- Improved: CLI commands simplified and updated.
- Improved: updated and some new test functions in \test directory.

- New: use `sfeprapy` to trigger recently refreshed CLI. Previously this is `python -m sfeprapy.mcs0`.
- Improved: CLI, added figure and save template input file features. Use `sfeprapy -h` to find more information.
- Depreciated: `sfeprapy.mcs0` module can no longer be triggered directly as `python -m sfeprapy.mcs0` (i.e. codes are removed after `if __name__ == '__main__'` .
- Depreciated: `sfeprapy.mcs0` GUI to select input file, use CLI instead.

- New: `sfeprapy.mcs0` added exposure time dependent timber charring rate.
- New: `sfeprapy.func.mcs_gen` added `ramp` input variable type for time dependent variables. the fill value should be csv formatted string without headers, consists of two columns, 1st column is the time and 2nd column is the value at the specific time.
- New: `sfeprapy.mcs0` added plotting feature, to activate `python -m sfeprapy.mcs0 {fp} mp2 fig`
- Depreciated: `sfeprapy.mc0`. This module is imported/combined into `sfeprapy.mcs0` at version 0.6.
- Depreciated: `sfeprapy.mcs2`. This module is imported/combined into `sfeprapy.mcs0` at version 0.6.5.

- New: system arguments added to `python -m sfeprapy.mcs0` command line call. For example, calling `python -m sfeprapy.mcs0 example_input.csv mp4` will run the problem definition file `example_input.csv` with 4 processes.