0.5.6

• parameters that are not defined in the parameters block will raise an error

• find_path now returns a tuple (x, flag) where x is the solution and (ferr, errbool) = flag is a tuple or the errors in the target function ferr and the error flag errbool

• the equations block in the yaml now allows to use == for conditioning

• yamls now can contain a block of globals which are available through all stages. E.g.

  globals:
      first_global: 1
      second_global: False
      another_one: "cool_string"
  

Full Changelog: 0.5.5...0.5.6