sasoptpy v0.2.0

This is a major release from 0.1.2. This release includes support for abstract modeling and nonlinear optimization problems, as well as changes to how sasoptpy communicates with both SAS Viya and SAS 9.4 solvers. See whatsnew for more details.

Highlights include:

• Support for new runOptmodel CAS action and nonlinear optimization
• Export to OPTMODEL method
• Support for abstract model building and examples
• New utility function read_table
• Multiple solutions support
• Math utility functions for abstract models