Completed:
- Add support for use of more complex loops in the data_gen functions.
       - Added in V.0.0.2 release.
- Vignette for advanced data generation function usage.
       - Added in V.0.0.2 release
- Simple data generation function
       - Added in V.0.0.3 release
- Update documentation for the package such that an example is included in mplusParallel_automation with links to other vignettes.
       - Added in V.0.0.3 release
- Add Custom_auto function vignette. Troubleshooted errors with use. 
       - Added in V.0.1.0 release.
