AGEPRO input file (*.inp): Reading CASEID, OPTIONS, and RECRUIT data

[efletcherPIFSC]

• Refactored agepro_model JSON functions into subclass agepro_json_model
• Created agepro_inp_model, a subclass of agepro_model, to handle reading AGEPRO input file (*.inp) files.
  • AGEPRO input file reader uses a file connection to read file line by line.
• Created case_id class for CASEID keyword parameters, including exporting data from AGEPRO input file.
• Added function to read general_params (GENERAL) specific data from AGEPRO Input file
• Recruitment
  • Refactored recruitment and recruit_model to be more modular.
  • Renamed fields and Functions for readability to reduce ambiguity.
  • Added function to read RECRUIT specific data from input file
  • Empirical (Models 3, 14) & Parametric (Models 5, 6, 7) Recruitment data can be read from input file.
• Added utility helper functions
• Improved R console cli output