v 1.6

1. Update the JCGS reference

v 1.5

1. Update the ftsa:::me function
2. Add the ftsa:::mpe function

v 1.4

1. Update dynupdate function to incorporate three ways of computing functional principal component analysis.

v 1.3

1. Add dynupdatelambdaselect function. 

v 1.2

1. Correct the extract function
2. Add ftsmweightselect and fplsrweightselect functions to determine geometrically decaying weights

v 1.1

1. Update the references
2. Correct the yname of a functional object