Release 4.0-beta14

• Features
  • Allow inferring the number of bins under the Rates.free and M3 models.
  • Make startup faster by saving compiled modules.
  • Attempt to codesign executables on Mac.
  • Sort rates under Rates.free to make them identifiable.
  • Sort omegas under M3 to make them identifiable.
  • Allow specifying a discrete distribution on the command line like {value: prob, value: prob, etc.}
  • New distribution dirichlet_mixture to make variable-dimension mixtures easier.
• Bug fixes:
  • Infer the character state for N in leaf sequences with a fixed alignment.
  • bp-analyze should not fail when variables have random dimension.