Create list of periods from period end days.
Create list of periods from period end days.
Note this method expect first date to be period0 date, ie, 1 day before first period.
For example: List(2013-12-31, 2014-01-05, 2014-01-10)
will generate: Period(2014-01-01 -> 2014-01-05) and Period(2014-01-06 -> 2014-01-10)