redist 3.1.5

redist 3.1.4

Removes prior deprecated functions and arguments
Fix bugs (#78, #81, #86)
Introduces redist_mergesplit_parallel()
Adds rbind() generic for redist_plans objects
Improves sampling speed for SMC and Merge-split with county constraint
Adds county split measures.
Adds population overlap measures for plan comparisons.
Deprecates redist.smc() in favor of redist_smc() and redist.mergesplit() in favor of redist_mergesplit(). # redist 3.0.2
Fix bugs (#60, #61, #62, #70, #71, #72), including s2 compatibility, Solaris fixes, and improved dplyr verb robustness.

New tidy interface, including new redist_map and redist_plans objects
Merge-split MCMC now available in redist_mergesplit()
Short burst MCMC optimization now available in redist_shortburst() along with scoring functions (?scorers)
Improved Flip MCMC interface and performance improvements
New support for larger simulation size limits
Functions to freeze parts of a map and extract district cores
New VRA constraint
Many new plotting functions
Consistent function and argument names
New partisanship and compactness metrics
Performance improvements to compactness calculations
Plan comparison and classification in compare_plans() and classify_plans()
New iowa dataset and cleaned-up package data
New vignettes for redistricting analysis and workflows
Various bug fixes