multiscape 1.0.6

• Fix CRAN submission issues
• Revise examples and DESCRIPTION for CRAN resubmission

multiscape 1.0.5

• Release candidate for CRAN.

multiscape 1.0.4

• First CRAN release of multiscape.
• Provides a modular workflow for exact multi-objective spatial planning based on mixed-integer programming (MIP).
• Introduces the core Problem, Solution, and SolutionSet classes.
• Adds support for modular problem construction through create_problem(), add_*(), set_*(), and solve().
• Supports atomic objective registration and multi-objective solution methods, including weighted-sum, epsilon-constraint, and AUGMECON.
• Includes support for spatial relations such as boundary, rook, queen, k-nearest neighbours, and distance-based relations.
• Supports commercial and open-source solvers, including Gurobi, CPLEX, CBC, and SYMPHONY.
• Adds user-facing extraction and visualization tools for planning units, actions, features, targets, spatial outputs, and trade-offs.
• Includes substantial updates to documentation, package structure, and contribution guidelines.