stgam 0.0.0.9000

• created initial package for GitHub.

stgam 0.0.1.0

• created initial package for CRAN submission.
• tidied functions to overcome ‘no visible global function definition’ in CMD checks,

stgam 0.0.1.1

• updated initial package to replace data function inputs with input_data.
• tidied help file omissions and typos s