Added getRate method and test, fix EOL
Merge pull request #1 from christopherobin/getRate

Added getRate method and test, fix EOL
v0.0.3: Added a getRate method to pull out the rate a growthCurve would be using at a particular iteration.
Merge pull request #2 from bjornstar/master

v0.0.3: Added a getRate method to pull out the rate a growthCurve would be using at a particular iteration.