NAME
Algorithm::Genetic::Diploid::Population - A population of individuals that turns over
METHODS
- new
 - 
Constructor takes named arguments, creates a default, empty list of individuals
 - individuals
 - 
Getter and setter for the list of individuals
 - turnover
 - 
Moves the population on to the next generation, i.e. 1. compute fitness of all individuals 2. mate up to reproduction rate in proportion to fitness