initial project setup + Frequency and Date definition
delete deprecated DFrequency
finished StartRule and EndRule
finished schedule generation logics
printable table generation
upgrade version to 1.0
rename to use io.lamma as package name
rename repo for README.md
rename position to Anchor
1, rename Frequency to recurrence. 2, make period mutually exclusive
rename Frequency to recurrence
fixed Weekly and Monthly recurrence pattern
review all stories all recurrence pattern. now support leap year / leap day
use Joda Period to calculate effective years / months
remove unused leap related logics
finalize class / object names
pretty print period details (from, to) as well
standardize all enum namespaces
remove sealed keywords, so that user can override by themselves
rename recurrence pattern name