Cleaning up old continuous character state class
Adding the Kimura 80 substitution model
Properly adding the Tamura 92 substitution model
Cleaning up some rate matrix code.
Cleaning up header includes
Adding Rev wrappers for the Kimura rate matrix.
Adding a reversible jump mixture distribution.
Adding a reversible jump proposal.
Cleaning up code.
Minor bug fix for type conversion from integer to probability.
Adding a soft bounded uniform distribution with normally distributed boundaries.
Fixing issue in lognormal distribution if value if smaller than 0.
Adding GPR move.
Merge branch 'development' of https://github.com/revbayes/revbayes into development
compiler warnings ...