New update for the package.
different fuctions removed beacasu of their incompletness.
Creatinine clearance calculation, EuroScore I and II logistic and additive added.
Na value recognition is removed.
Name is changed becasue it was interacting with same names fuction from mice package.
Creatinince clearance file is renamed.
Corrections and fixes.
testData directory added.
New Test data directory.
Recent updates.