PGSC 1.0

First release of package. Provides:

• Functionality:
  • Estimation via pgsc
  • Restricted estimation, also via pgsc
  • Hypothesis testing via pgsc.wald.test
• Documentation:
  • A README with a very short example
  • A vignette which expands the example
  • Man pages for the exposed functions
• Data:
  • A synthetic dataset pgsc.dta, used in examples