v7.1.0

• Added new enable_mutable_automata global configuration option if you need to maximize the performance of automaton creation
  • See the documentation for the Automaton class
• Optimizations to automaton creation even if you leave immutable automata enabled
• Added a new Shuffle operator (denoted with the caret symbol ^) for regular expressions (e.g. a^b represents all permutations of a and b) (#112)
• Fixed a bug with the conversion from GNFA to regular expression (#122 and #123)
• Minor improvements to the error messaging for the automata.regex.parser module
• Other small optimizations and improvements